chapter 11 lesson 1 what defines an animal, lesson 2 Invertebrate phyla, lesson 3 phylum Chordata

the ____ major phyla contain 95-99 percent of all the animal species.

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Frogs, toads, and salamanders belong to this class.

Amphibia

Unlike flatworms the bodies of round worms are... And covered with a stiff outer covering called and .....

Around ,cuticle

All sponges are _________ and have no tissues, ________, or organ system

Asymmetrical, organs

All birds are in this class.

Aves

A spinal column or Spine that all vertebrates have

Backbone

Birds have ____ and do not chew their food instead, they digestive system includes _____ which are organs that help grande food into smaller pieces

Beaks and gizzards

ALl MOLlusks have ... Symmetry

Bilateral

Are flatworms have ........symmetry with nerve muscle and digestive ........and a simple.......

Bilateral, tissue, brain

Circulatory systems move ____ through the body

Blood

Trout, guppies, perch, tuna, mackerel, and thousand of other species have bones and are grouped together as _____ fish.

Bony

Nervous systems include ____.

Brains

Sharks skates and rays are examples of this kind of fish

Cartilaginous

Jaws in cartilaginous fish have internal structures made of ____.

Cartledge

A ____ is an animal that has a notochord,a nerve cord, a tail, and structures called pharyngeal pouches.

Chordate

The phylum... Includes jellyfish and corals .

Cnidaria

Although many mammals live young, a few species, including ___, lay eggs.

Duck billed platypus

Most reptiles lay fluid-filled ____ with _____ shells.

Eggs and leathery

Amphibians lay ____ that do not have hard protective coverings or _____.

Eggs and shells

Birds lay fluid- filled ___ with hard shells and feed and care for their ____.

Eggs and young

Many birds can ___ and they have stuff ____ that enable them to move through the air.

Fly and feathers

All mammals have hair or _____ covering their bodies

Fur

Fish have these two important characteristics in common. The first characterization helps absorb oxygen gas from water. The second characterization help aid in swimming.

Gills and fins

Young amphibians live in water and have ____ ; most adults develop _____ and live on land.

Gills and lungs

Like amphibians, most reptiles have three chambered ____.

Hearts

In most cases invertebrates have no........Structures to help support their bodies.

Internal

Hagfish and lampreys lack jaws and are in a group called_____.

Jawless fish

Unlike amphibians, lizards and other reptiles have ____ throughout their lives.

Lungs

______ produce milk that feeds young mammals.

Mammary

The phylum... Include snails slugs clams and squids

Mollusca

Roundworms digestive system has two openings an ... and.....

Mouth and anus

Cnidarians have......that are used for capturing food

Nematocysts

Roundworms also called... Belong to the phylum...

Nematodes, Nematodas

A _______ is a flexible, rod shaped structure that supports the body of developing chordate.

Notochord

Unlike sponge Cnidaria have... Symmetry

Radial

Lizards, snakes, turtles, crocodiles, and alligators belong to this class.

Reptilia

Invertebrate phylum contains animals with... Body plans and physical characteristics.

Similar

Invertebrates also tend to be....... And to move more... Than vertebrates

Smaller, slow

Molluska bodies are.........and some species have hard ......that protect their bodies

Soft,shell

The simplest of the invertebrates are the... Which belong to phylum.....

Sponges,phorifera

All vertebrates have digestive systems with _____

Two openings

Bones that form a backbone

Vertebrae

Most chordates are ____, but the chordates also include two groups of ____: tunicates and lancelets.

Vertebrates /invertebrates

Most amphibians spend part of their lives in____ and part on _____.

Water and land

All reptiles have ___ skin that is covered in _____.

Waterproof and scales

_______ are multicellular and eukaryotic.

animals

the phylum ________ includes earthworms, leeches, and marine worms.

annelid

arthropods have several pairs of jointed ________, which are structures, such as a leg or an arm, that extend from the central part of the body

appendage

spiders, ticks, and scorpions are _; they have _ pairs of jointed legs and two body segments and lack _ and _.

arachnids 4 antenna wings

the phylum ____________ includes insects, spiders, shrimp, crabs, and their relatives

arthropoda

an animal with ______ cannot be divided into two parts that are nearly mirror of each other

asymmetry

an animal with_______ symmetry can be divided into two parts that are nearly minor images of each other anywhere through its central axis

biladeral

annelid worms have _____________ symmetry and _____ bodies

bilateral, soft

symmery describes an organisms ________

body plan

Only one animal phylum, _______ contains vertebrates

chordata

the more similar the DNA of two animals is, the more _____ the animals are related

closely

Animals have protein, called ______, that surrounds the cells and helps them keep their shapes

collgen

crabs, shrimps, and lobsters are _, they have one or two pairs of _ and jointed _.

crustaceans antennae appendages

the phylum _ includes sea stars, sea cucumbers, and sea urchins.

echinoderm

animals get ______ for life process by eating other organisms

energy

all arthropods have _________, which are thick, hard, outer coverings that protect and support animals' bodies

exoskeletons

Animals digest their _____

food

animals and cells are specialized for different _____ such as digestion, reproduction, vision or taste.

functions

all _ species have three pairs of jointed legs, three body segments, a pair of antennae, and a pair of compound eyes.

insects

a ______ is a animal with no backbone

invertabrate

most of the animal kingdom about 95 percent is made of________

invertabrates

echinoderms have a complete digestive system with a _ and _.

mouth anus

scientist classify the members of the animal kingdom as many as 35 _______

phyla

unlike any other phyla, echinoderms have hard _ embedded in the skin that support the body and fluid-filled tubes called _ that allow them to move.

plates tabefeet

Molecules such as DNA, RNA and _______ in animals cells can be used for classification

protein

all echinoderms have _ symmetry.

radial

an animal with a _______ symmetry can be divided into two parts that are nearly mirror images of each other anywhere though its central axis

radial

annelid bodies consist of repeating ____________ covered with a thin _______

segments, cuticle

scientists have described and named more than 1.5 million ____ of animals

species

Animals belonging to the same phylum have similar body ______ and other characteristics

structures

a _______ is an animal with a backbone

vertabrate

animals can be grouped into to large categories :______ and ______

vertabrates and invertebrates

echinoderms are more closely related to _ than to any other phylum

vertebrates