BIO CHAPTER 28-31

Another term used for agnathan is _______.

jawless

Humans maintain conditions of their _____ environment within fairly narrow ranges. Multiple choice question. internal external

internal

Which of the following is an example of a negative feedback system? Multiple choice question. A blood cell swells when placed in a container with water. A cyclist's body temperature rises as he cycles up a steep hill. After a person drinks lots of water, the kidneys excrete a lot of dilute urine. Muscles of the digestive tract start to contract after a meal.

After a person drinks lots of water, the kidneys excrete a lot of dilute urine.

Which type of fiber is found in hyaline cartilage? Multiple choice question. Strong collagen Elastic Very fine collagen

Very fine collagen

Which type of bone marrow is in the shaft of a long bone? Multiple choice question. Blue White Red Yellow

Yellow

Sharks are a type of fish with a _______ skeleton-some of the earliest vertebrates to evolve. Multiple choice question. cartilaginous exo- bony

cartilaginous

Tissues are made of Multiple choice question. cells. glands. organ systems. organs.

cells.

An animal that has these four basic characteristics at some stage of development: notochord; dorsal tubular nerve cord; pharyngeal pouches; and a postanal tail, is best characterized as a(n) Multiple choice question. vertebrate. invertebrate. chordate.

chordate.

Select the two main body cavities in vertebrates. Multiple select question. dorsal cavity pelvic cavity thoracic cavity abdominal cavity ventral cavity

dorsal cavity ventral cavity

Select the four basic traits seen in all chordates at some point during development. Multiple select question. amniotic egg dorsal tubular nerve cord notochord postanal tail pharyngeal pouches bony skeleton

dorsal tubular nerve cord notochord postanal tail pharyngeal pouches

Red blood cells, white blood cells, and platelets together are the formed ________ of blood.

elements

The general term for a chordate in which the notochord is later replaced by a vertebral column is a _____.

verterbrates

Chitin, a strong, flexible, nitrogenous polysaccharide, composes the _________ of arthropods.

exoskeleton

Select all locations in the human body that contain hyaline cartilage. Multiple select question. fetal skeleton outer ear intervertebral discs ends of long bones nose

fetal skeleton ends of long bones nose

Select all locations in the human body that contain hyaline cartilage. Multiple select question. intervertebral discs outer ear fetal skeleton nose ends of long bones

fetal skeleton nose ends of long bones

Which of these components make up the connective tissue matrix? Multiple select question. fibers nerves part of the matrix. ground substance specialized cells

fibers ground substance

Which of these components make up the connective tissue matrix? Multiple select question. nerves fibers ground substance specialized cells

fibers ground substance

The main type of cells found in loose fibrous and dense fibrous connective tissues are _______.

fibroblasts

The pads between the bones of the vertebral column are primarily formed from a type of cartilage called _______. Blank 1: fibrocartilage

fibrocartilage

Which of the following are types of cartilage? Multiple select question. fibrocartilage spongy hyaline elastic compact areolar

fibrocartilage hyaline elastic

Select the three major categories of connective tissue. Multiple select question. loose bone fibrous fluid supportive

fibrous fluid supportive

The first vertebrates to evolve were the ______.

fish

Which groups of animals are poikilothermic? Multiple select question. birds fish amphibians invertebrates mammals

fish amphibians invertebrates

The regulation of internal body conditions within acceptable limits is called _______.

homeostasis

Monotremes are unique among mammals because they Multiple choice question. live in water. feed on termites. lay eggs. produce milk.

lay eggs.

The major function of platelets is to Multiple choice question. prevent blood loss. fight infection. carry oxygen. produce antibodies.

prevent blood loss.

Dinosaurs were a dominant form of life on Earth for about how long? Multiple choice question. 2 million years 20 million years 200 million years 2 billion years

200 million years

Which ancestral animal gave rise to all amniotes, including reptiles? Multiple choice question. Turtle Dinosaur Amphibian Lancelet

Amphibian

Which terrestrial group most likely evolved from the ancient lobe-finned fishes with lungs? Multiple choice question. Birds Agnathans Reptiles Amphibians Mammals

Amphibians

Which terrestrial group most likely evolved from the ancient lobe-finned fishes with lungs? Multiple choice question. Birds Reptiles Agnathans Mammals Amphibians

Amphibians

Compare the features of the flatworm, mollusc, and annelid body cavity, digestive tract, and circulatory system.

Annelids and molluscs have a complete digestive tract, a true coelom, and a circulatory system (closed in annelids and open in molluscs). Flatworms have a gastrovascular cavity with only one opening, no coelom, and no circulatory system.

Arthropods that have a cephalothorax along with a first pair of appendages that are pincerlike and used in defense and to manipulate food are members of which group? Multiple choice question. Chelicerates Echinoderms Crustaceans

Correct Answer Chelicerates

List three phyla that feed with lophophores

Bryozoa, Phoronida, Brachiopoda.

Evidence suggests that reptiles first evolved from an ancestral amphibian during which period? Multiple choice question. Carboniferous period Cenozoic era Cretaceous period Permian period

Carboniferous period

Evidence suggests that reptiles first evolved from an ancestral amphibian during which period? Multiple choice question. Cenozoic era Permian period Carboniferous period Cretaceous period

Carboniferous period

Most lizards can be described as being what type of consumer? Multiple choice question. Herbivores Carnivores Omnivores

Carnivores

Annelids are also referred to as Multiple choice question. segmented worms. roundworms. flatworms.

Correct Answer segmented worms.

Ground substance, protein fibers, and specialized cells are common to all types of which tissue? Multiple choice question. Epithelial Muscular Connective Nervous

Connective

Squids and octopi are members of a group of molluscs collected called the _______.

Correct Answer cephalopods

Evidence supports the idea that all body plans seen in animals today were present by how long ago? 500,000 years 500 million years 5 billion years

Correct Answer 500 million years

Bryozoans, brachiopods, and phoronids make up the lophophores. What do these animals have in common? Multiple choice question. The structure of their feet Their mode of reproduction A feeding apparatus called a lophophore

Correct Answer A feeding apparatus called a lophophore

Segmented worms belong to which group? Multiple choice question. Cnidarians Annelids Planarians

Correct Answer Annelids

In what type of environment do most crustaceans live? Multiple choice question. Subterranean Aquatic Arboreal Terrestrial

Correct Answer Aquatic

In what type of environment do most crustaceans live? Multiple choice question. Terrestrial Arboreal Subterranean Aquatic

Correct Answer Aquatic

Crustaceans have exoskeletons containing calcium carbonate and belong to which group (phylum) of animals? Multiple choice question. Annelids Arthropods Molluscs Chelicerates

Correct Answer Arthropods

Insects are arthropods that have three body divisions called the, _______,________ and ________.

Correct Answer Blank 1: head Blank 2: thorax Blank 3: abdomen

The repetition of body parts along the length of an animal is called ________. Correct Answer Blank 1: segmentation

Correct Answer Blank 1: segmentation

Morphological data indicate that echinoderms and chordates have what in common? Multiple choice question. Both go through a period of molting. Both are protostomes. Both are deuterostomes.

Correct Answer Both are deuterostomes

Select the groups that are lophophores. Multiple select question. Bryozoans Planarians Molluscs Brachiopods Phoronids

Correct Answer Bryozoans Brachiopods Phoronids

Select the groups that are lophophores. Multiple select question. Bryozoans Phoronids Brachiopods Molluscs Planarians

Correct Answer Bryozoans Phoronids Brachiopods

All of the various animal body plans were present in the fossil record by what geological period? Multiple choice question. Cambrian period Tertiary period Triassic period

Correct Answer Cambrian period

Which term means 'head footed' and refers to the squid, nautilus, and the octopi? Multiple choice question. Gastropod Cephalopod Isopod Bivalve

Correct Answer Cephalopod

The animals that are propelled by beating cilia, use colloblasts to capture food, and resemble jellyfish are members of what group? Multiple choice question. Comb jellies Hydras Cnidarians Planarians

Correct Answer Comb jellies

What are the group of arthropods that have hard, crusty exoskeletons that contain calcium carbonate called? Multiple choice question. Insects Millipedes Centipedes Crustaceans

Correct Answer Crustaceans

What are the group of arthropods that have hard, crusty exoskeletons that contain calcium carbonate called? Multiple choice question. Millipedes Centipedes Crustaceans Insects

Correct Answer Crustaceans

What is the body shape of leeches? Multiple choice question. Round in cross section Dorsoventrally flattened Rounded base with a flattened top

Correct Answer Dorsoventrally flattened

Spiny-skinned invertebrates with radial symmetry, such as sea stars, are members of which group? Multiple choice question. Molluscs Echinoderms Cephalopods

Correct Answer Echinoderms

According to the current three-domain classification system, animals are placed in which domain? Multiple choice question. Bacteria Archaea Eukarya Opisthokonta

Correct Answer Eukarya

Which of these includes only types of parasitic flatworms? Multiple choice question. Flukes and tapeworms Roundworms and earthworms Leeches and polychaetes

Correct Answer Flukes and tapeworms

Clams burrow into the sand or mud by using what part of their body? Multiple choice question. Mantle Hatchet-shaped foot Visceral mass Radula Clapping of shells

Correct Answer Hatchet-shaped foot

How could tissues arise in colonies of cells, as suggested in the colonial flagellate hypothesis? Multiple choice question. Random mutation of colony members Inclusion of cells from related species which form different tissues Infolding of cells into a hollow sphere followed by specialization

Correct Answer Infolding of cells into a hollow sphere followed by specialization

How could tissues arise in colonies of cells, as suggested in the colonial flagellate hypothesis? Multiple choice question. Infolding of cells into a hollow sphere followed by specialization Inclusion of cells from related species which form different tissues Random mutation of colony members

Correct Answer Infolding of cells into a hollow sphere followed by specialization

How could tissues arise in colonies of cells, as suggested in the colonial flagellate hypothesis? Multiple choice question. Random mutation of colony members Infolding of cells into a hollow sphere followed by specialization Inclusion of cells from related species which form different tissues

Correct Answer Infolding of cells into a hollow sphere followed by specialization

Echinoderms and a few chordates can be grouped as which of these? Multiple choice question. Invertebrates Vertebrates Protostomes

Correct Answer Invertebrates

Why is the colonial flagellate hypothesis for the origin of animals attractive to scientists? Choose two correct answers. Multiple select question. It explains how radial symmetry would have arisen first. It easily explains how all lines of animals came to be. Tissues do arise in the manner described in the hypothesis.

Correct Answer It explains how radial symmetry would have arisen first. Tissues do arise in the manner described in the hypothesis.

Which of these animals exhibit radial symmetry? Multiple choice question. Sponges Jelly fish Lizards

Correct Answer Jelly fish

Choose three traits that describe sponges. Multiple select question. Lack true tissues True coelom Have true tissues Cellular level of organization Multicellular

Correct Answer Lack true tissues Cellular level of organization Multicellular

What is true about the eyes of spiders? Multiple choice question. Two, large compound eyes Many simple eyes A combination of simple and compound eyes

Correct Answer Many simple eyes

Within the domain Eukarya, which supergroup contains animals, fungi, and certain protists? Multiple choice question. Opisthokonta Choanoflagellata Opisthokonta. Bikonta Animalia

Correct Answer Opisthokonta

What type of body cavity is incompletely lined with mesoderm and characteristic of roundworms? Multiple choice question. True coelom Pseudocoelom Acoelomate

Correct Answer Pseudocoelom

What basic difference is seen between the chordate skeleton and the invertebrate skeleton? Multiple choice question. The skeleton of most chordates is only partially developed; that of invertebrates is complete. The skeleton of most chordates is external; that of many invertebrates is internal. The skeleton of most chordates is internal; that of many invertebrates is external. Correct Answer The skeleton of most chordates is internal; that of many invertebrates is external.

Correct Answer The skeleton of most chordates is internal; that of many invertebrates is external.

Echinoderms are so-named because of which factor? Multiple choice question. They have an exoskeleton with spikes. The location of where they originated. They have spines protruding through their skin.

Correct Answer They have spines protruding through their skin.

Why is the colonial flagellate hypothesis for the origin of animals attractive to scientists? Choose two correct answers. Multiple select question. It easily explains how all lines of animals came to be. Tissues do arise in the manner described in the hypothesis. It explains how radial symmetry would have arisen first.

Correct Answer Tissues do arise in the manner described in the hypothesis. It explains how radial symmetry would have arisen first.

Arthropods that undergo metamorphosis have Multiple choice question. the ability to respond quicker to environmental changes. the ability to reproduce more quickly. a reduced competition for food and environments.

Correct Answer a reduced competition for food and environments.

Choose the two body divisions of spiders. Multiple select question. abdomen anterior thorax thorax cephalothorax head

Correct Answer abdomen cephalothorax

insects, crustaceans, millipedes, centipedes, spiders, and scorpions are in the group of animals called ______. Multiple choice question. molluscs arthropods cnidarians planarians annelids

Correct Answer arthropods

One of the major groups of animals is the ecdysozoans, which include which of these groups? Multiple select question. arthropods molluscs Reason: Molluscs are lophotrochozoans. roundworms flatworms annelids

Correct Answer arthropods roundworms

The large animal group that has jointed appendages and exoskeletons are the Multiple choice question. molluscs. cnidarians. echinoderms. arthropods.

Correct Answer arthropods.

Which of the following are feeding habits exhibited by members of the molluscs? Multiple select question. carnivores herbivores filter feeders parasites autotrophs

Correct Answer carnivores herbivores filter feeders parasites

Which of the following are feeding habits exhibited by members of the molluscs? Multiple select question. autotrophs carnivores herbivores parasites filter feeders

Correct Answer carnivores herbivores parasites filter feeders

Members of the arthropod group called the chelicerates have which of these characteristics? Multiple select question. antennae setae cephalothorax abdomen

Correct Answer cephalothorax abdomen

The exoskeleton of arthropods is composed mainly of a polysaccharide called ______. Multiple choice question. various proteins bone sodium carbonate chitin

Correct Answer chitin

A major feature of the ecdysozoans is a protective outer covering called a(n) Multiple choice question. carapace. cuticle. shell. capsule.

Correct Answer cuticle.

A major feature of the ecdysozoans is a protective outer covering called a(n) Multiple choice question. carapace. shell. cuticle. capsule.

Correct Answer cuticle.

All lophophrans have a lophophore, which is a structure involved in Multiple choice question. defense against predators. feeding. motility. reproduction.

Correct Answer feeding.

An abundant type of land-dwelling arthropod whose body is divided into head, thorax, and abdominal regions is a(n) ______. Multiple choice question. insect chelicerate crayfish

Correct Answer insect

Select the examples of arthropods. Multiple select question. insects spiders flatworms scorpions crabs snails

Correct Answer insects spiders scorpions crabs

The skeleton of most chordates is composed of bone and cartilage and is located ______ the body, whereas the skeleton of many invertebrates is located ______ the body. Multiple choice question. inside; outside partially inside; outside outside; inside

Correct Answer inside; outside

Select the features seen in all vertebrates in addition to the chordate characteristics. Multiple select question. internal organs vertebral column mammary glands skull endoskeleton hair

Correct Answer internal organs vertebral column skull endoskeleton

A group of annelids that live mostly in freshwater habitats is the ______. Multiple choice question. flatworms clam worms earthworms leeches roundworms

Correct Answer leeches

The changes in form and physiology that occurs in arthropods from immature stage to adult stage is called ______. Multiple choice question. metamorphosis cephalization segmentation

Correct Answer metamorphosis

he size range of the roundworms or nonsegmented worms is from Multiple choice question. microscopic to 1 centimeter microscopic to 1 meter 1 millimeter to 1 centimeter 1 centimeter to 1 meter

Correct Answer microscopic to 1 meter

The size range of the annelids, or segmented worms, is from Multiple choice question. microscopic to 4 centimeters. microscopic to 4 meters. 4 millimeters to 4 centimeters. 4 centimeters to 4 meters.

Correct Answer microscopic to 4 meters.

An invertebrate characterized by its mantle, foot, and visceral mass is a(n) ______. Multiple choice question. flatworm mollusc earthworm

Correct Answer mollusc

Scorpions are active Multiple choice question. equally during day or night. mostly at night. mostly during the day.

Correct Answer mostly at night

Which descriptions apply to comb jellies? Multiple select question. mostly free-swimming marine live in colonial groups prefer cold water

Correct Answer mostly free-swimming marine

Which descriptions apply to comb jellies? Multiple select question. mostly free-swimming prefer cold water marine live in colonial groups

Correct Answer mostly free-swimming marine

What two features are typical of the head of a crustacean? Multiple select question. gills and claspers carapace with walking legs one pair of compound eyes five pairs of appendages

Correct Answer one pair of compound eyes five pairs of appendages

What two special adaptations are typical of scorpions that can be used in both defense and prey capture? Multiple select question. carapace chelicerae pedipalps venomous stinger

Correct Answer pedipalps venomous stinger

Select the four basic traits seen in all chordates at some point during development. Multiple select question. pharyngeal pouches amniotic egg bony skeleton postanal tail notochord dorsal tubular nerve cord

Correct Answer pharyngeal pouches postanal tail notochord dorsal tubular nerve cord

Adult echinoderms have ______ symmetry, while their larvae have ______ symmetry. Multiple choice question. bilateral; radial asymmetrical; radial radial; bilateral

Correct Answer radial; bilateral

Because they are so abundant in soil, the most numerous multicellular organisms on Earth are probably the Multiple choice question. bacteria. insects. annelids. roundworms.

Correct Answer roundworms.

Other than the cephalochordates (lancelets), the other group of nonvertebrate chordates are the Multiple choice question. lampreys. sea anemones. sea squirts. sea stars.

Correct Answer sea squirts.

Select all characteristics seen in annelids. Multiple select question. setae exoskeleton Reason: Annelids have a hydrostatic skeleton. segmentation well-developed coelom

Correct Answer setae segmentation well-developed coelom

Select the examples of arachnids. Multiple select question. beetles spiders scorpions ticks mites

Correct Answer spiders scorpions ticks mites

Generally, reptilian skin is Multiple choice question. moist and covered in scales. thin and moist for respiring through it. thick, dry, and impermeable to water.

Correct Answer thick, dry, and impermeable to water.

Which two groups of animals make up the lophotrochozoa? Multiple select question. arthropods Reason: Arthropods are ecdysozoans. trochozoans sea stars lophophorans cnidarians

Correct Answer trochozoans lophophorans

Which two groups of animals make up the lophotrochozoa? Multiple select question. cnidarians arthropods trochozoans lophophorans sea stars

Correct Answer trochozoans lophophorans

Bivalves have ______ part(s) to their shell. Multiple choice question. two several no one

Correct Answer two

Select the two animal groups that are chordates, but not vertebrates. Multiple select question. agnathans (e.g., lampreys) echinoderms (e.g., sea stars) urochordates (e.g., sea squirts) cephalochordates (e.g., lancelets) rays, skates, and chimaeras

Correct Answer urochordates (e.g., sea squirts) cephalochordates (e.g., lancelets)

Organisms that have a vertebral column are specifically referred to as Multiple choice question. nonchordates. chordates. vertebrates. invertebrates.

Correct Answer vertebrates.

Most dinosaurs died out suddenly during which geologic period? Multiple choice question. Triassic Permian Cretaceous

Cretaceous

Which type of cartilage makes up the external ear in humans? Multiple choice question. Hyaline Fibrocartilage Elastic

Elastic

Where did placental mammals most likely originate? Multiple choice question. Eurasia, then spread to the Americas by land bridges Australia, then spread throughout the world during storms South America, then spread throughout the world

Eurasia, then spread to the Americas by land bridges

What is the largest group of vertebrates? Multiple choice question. Fishes Reptiles Mammals Amphibians

Fishes

The two types of parasitic flatworms are tapeworms and _________.

Flukes

Animals that have four-chambered hearts, have mammary glands, and hair are called ________.

Mammals

What is the most likely explanation for how the collision of a large meteorite with Earth triggered the demise of the dinosaurs? Multiple choice question. The meteorite caused the ocean to rise and many land masses were under water. The meteorite struck in an area where most dinosaurs lived. Many ecosystems were disrupted and many living things died.

Many ecosystems were disrupted and many living things died.

Evidence for a meteorite strike leading to the demise of the dinosaurs includes which of the following? Multiple choice question. Meteorites contain a mineral that is rare on Earth; this mineral was found in strata dating to the time of the extinction of the dinosaurs. All dinosaurs died at exactly the same time, and this is the only plausible explanation. New life forms arose after the extinction of the dinosaurs, suggesting they were brought to Earth on a meteorite.

Meteorites contain a mineral that is rare on Earth; this mineral was found in strata dating to the time of the extinction of the dinosaurs.

Select all functions of the skin in animals. Multiple select question. Coordination of body activities Protection from dessication Regulation of body temperature Production of vitamin D precursors Sensory reception Storage of energy

Protection from dessication Regulation of body temperature Production of vitamin D precursors Sensory reception

Which of the following is an example of a positive feedback system? Multiple choice question. An increase in calcium concentration stimulates the release of a hormone that stores calcium. Puppies suckling at the mother's teat increase the amount of hormone that stimulates the release of more milk. After eating, blood sugar (glucose) levels rise so the pancreas releases a hormone to stimulate its conversion into glycogen to store in the liver.

Puppies suckling at the mother's teat increase the amount of hormone that stimulates the release of more milk.

Which type of bone marrow is in spongy bone? Multiple choice question. White Yellow Blue Red

Red

Which amniote skull has two openings behind the eye sockets? Multiple choice question. Reptiles and birds aside from turtles Mammals and turtles but not birds Turtles Snakes and lizards

Reptiles and birds aside from turtles

Select the physical traits that apply to most amphibians. Multiple select question. Sense organs Single-loop circulation Internal egg development Endothermy Scales Four limbs

Sense organs Four limbs

Select all correct statements about white blood cells. Multiple select question. Some can produce antibodies. They are involved with blood clotting. All can carry oxygen and nutrients to tissues. They lack a nucleus. Some can phagocytize pathogens.

Some can produce antibodies. Some can phagocytize pathogens.

True or false: All chordates, including terrestrial vertebrates, have pharyngeal gill pouches at some point during development.

TRUE

True or false: Arthropods of one kind or another are able to do well in virtually every type of habitat and are considered to be the most successful group of animals.

TRUE

Where did marsupial mammals most probably originate? Multiple choice question. The tundra of Europe The Americas Antarctica New Zealand

The Americas

Which of the following are true about the skin? Multiple select question. Human skin accounts for about 5% of body weight. The skin is a component of the integumentary system. It is the human body's largest organ system. The skin of an average adult human would cover an area of about 21 square feet.

The skin is a component of the integumentary system. It is the human body's largest organ system. The skin of an average adult human would cover an area of about 21 square feet.

List the characteristics similar in flatworms, molluscs, and annelids.

They all have bilateral symmetry, three tissue layers, and protostome development.

What factors appear to be involved in the evolutionary history of the mammals? Multiple select question. They evolved from a diapsid-skulled ancestor on the evolutionary line to the dinosaurs. They evolved from an amniote ancestor. They evolved from synapsid-skulled ancestors. They evolved directly from amphibians.

They evolved from an amniote ancestor. They evolved from synapsid-skulled ancestors.

True or false: A gland can be a single epithelial cell. True false question.TrueFalseReason: An example would be the mucus-secreted goblet cells in the digestive tract.

True

True or false: In connective tissue, the ground substance can vary from solid to liquid in consistency. It is solid in bone, but liquid in blood.

True

Positive feedback occurs when Multiple choice question. the control center brings conditions back to normal. sensory receptors are no longer activated. the control center is deactivated. a change from normal promotes a greater change

a change from normal promotes a greater change.

Nervous tissues functions as Multiple choice question. a network of tissues that support, project, and bind body parts. a system of tissues that allow for movement of different parts of the body via contraction. a communication network that conveys information throughout the body. protective linings of body cavities and coverings for body surfaces and organs.

a communication network that conveys information throughout the body.

Animals that have smooth, moist skin, four limbs, double-loop circulation, small lungs, and special sense organs are called __________.

amphibians

Select all examples of ray-finned bony fishes. Multiple select question. barracudas hagfish stingrays trout herrings lungfish

barracudas trout herrings

Supportive connective tissue that contains an extremely hard matrix of inorganic salts deposited around protein fibers is called ______.

bone

he fibers of connective tissue that provide strength are the: Multiple choice question. elastic fibers collagen fibers reticular fibers

collagen fibers

Select items found in both types of bone tissue. Multiple select question. bony bars and plates with irregular spaces osteons red bone marrow collagen fibers calcium salts

collagen fibers calcium salts

The shafts of long bones are made of _____ bone tissue

compact

Which descriptions apply to human red blood cells? Multiple select question. relatively large cells contain hemoglobin have large nuclei biconcave shape fight infections

contain hemoglobin biconcave shape

When a condition deviates from its set point, a negative feedback mechanism operates to _______ the deviation from the set point. Multiple choice question. decrease increase

decrease

The two main regions (layers) of skin are the _______ , and the _______

dermis epidermis

In mammals, the structure that separates the thoracic cavity from the abdominal cavity is the ______.

diaphragm

Most of the unique anatomical features of a bird, such as feathers and a modified skeleton, are adapted to the process of Multiple choice question. avoiding predators. finding a mate. obtaining food. flight.

flight.

Three major categories of connective tissue are fibrous, supportive, and ______.

fluid

The type of tissue that secretes a product is Multiple choice question. fluid connective. simple squamous. loose fibrous. glandular epithelial.

glandular epithelial.

In connective tissue, the noncellular material that separates the cells is the ____.

ground

In connective tissue, the noncellular material that separates the cells is the _______substance.

ground

Which of the following components are common to all types of connective tissue? Multiple select question. contractile tissue ground substance secretory cells protein fibers specialized cells

ground substance protein fibers specialized cells

Select the accessory structures of the human skin. Multiple select question. hair nails epidermis dermis glands

hair nails glands

Human blood is red because of the Multiple choice question. high iron content of blood plasma. hemoglobin carried inside red blood cells. hemoglobin that is free in the plasma. high iron content of red blood cell membranes.

hemoglobin carried inside red blood cells.

Animals that have internal mechanisms for regulating their body temperature toward an optimum are said to be warm-blooded, or Multiple choice question. endothermic. poikilothermic. ectothermic. homeothermic.

homeothermic.

The skin is the primary organ of the ________________ system.

integumentary

Which group of fishes has an endoskeleton with a vertebral column, along with paired pectoral and pelvic fins? Multiple choice question. Cartilaginous Jawed Jawless

jawed

mphibians evolved from ________ -finned fishes with lungs.

lobe

In connective tissue the ground substance plus the fibers together make up the connective tissue ________

matrix

Mammals that have a shared excretory and reproductive canal called a cloaca are called _____.

monotremes

Nervous tissue is composed mainly of neurons and supporting cells called ______.

neuroglia

The different types of glands associated with the skin include oil (sebaceous) glands and ______ glands.

sweat

Tissues working together to perform a specific function form a(n) ____

organ

Other than lacking a jaw, which are features of today's jawless fishes? Multiple select question. up to 20 meters long persistent notochord cartilaginous skeleton scaly skin cylindrical body shape

persistent notochord cartilaginous skeleton cylindrical body shape

The type of formed element that is involved in blood clotting and is formed by fragmentation from large bone marrow cells is the _____.

platelet

Animals that have scaly skin, four limbs, double-loop circulation, and respiration and reproduction developed for living on land are called ______.

reptiles

Birds are considered to be Multiple choice question. mammals. amphibians. reptiles. unrelated to other animals.

reptiles.

The shell of a turtle is made from fused Multiple choice question. pectoral and pelvic girdles. ribs and thoracic vertebrae. cervical vertebrae and skull.

ribs and thoracic vertebrae.

What are the common names of the three groups of living amphibians? Multiple select question. salamanders & newts snakes frogs & toads caecilians lizards & turtles

salamanders & newts frogs & toads caecilians

The three types of muscle tissue are skeletal, cardiac and _______.

smooth

Select all groups of animals that are considered to be reptiles. Multiple select question. snakes salamanders tuataras crocodilians birds turtles lobsters duckbill platypuses

snakes tuataras crocodilians birds turtles

n irregular, mesh-like arrangement of thin plates of bone is characteristic of ______.

spongy

Although it is not considered part of the skin, a layer of tissue immediately under the skin is the hypodermis or ______ layer. Multiple choice question. subcutaneous muscular fascial superficial

subcutaneous

Which of the following describes the typical amphibian? Multiple choice question. tetrapod with limited mobility due to fixed joints bipedal with flexibility in lower limbs tetrapod with well developed skeleton for locomotion

tetrapod with well developed skeleton for locomotion

The three main types of cartilage -- hyaline, elastic, and fibrocartilage -- are distinguished by Multiple choice question. the type of cells in the lacunae. the amount of adipose tissue present. the type of fiber in the matrix. the degree to which each can be regenerated.

the type of fiber in the matrix.

The fan-shaped fins of bony fishes are supported by ______. Multiple choice question. thick, fleshy lobes thin, bony rays thin cartilages thick cartilages

thin, bony rays

The fan-shaped fins of bony fishes are supported by ______. Multiple choice question. thin cartilages thin, bony rays thick, fleshy lobes thick cartilages

thin, bony rays

A female platypus nourishes her young Multiple choice question. via a placenta inside her body. not at all; her eggs are left to hatch on their own. with milk from modified sweat glands. with milk from true mammary glands.

with milk from modified sweat glands.

Select all characteristics of marsupials. Multiple select question. yolk-type placenta pouch lay eggs true uterus Marsupial newborns are very immature.

yolk-type placenta pouch true uterus