Bio 101 Module 8

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Tapeworms belong to the ________ phylum

flatworm

Tunicates are mobile as adults

False

For periods of hominid history, more than 1 species of hominid lived simultaneously.

True

Protosomes and deuterostomes all have a coelum.

True

Some chordates are invertebrates.

True

Some fish have lungs.

True

Lucy was a

australopithecine

The earliest hominids were

australopithecines

In mollusks, the radula is used for

feeding

In insects the larval stage specializes in ____________ whereas the adult stage specializes in ___________

feeding, breeding

Tunicates and lancelets make their living as

filter feeders

What vertebrate groups is the most diverse?

fish

In vertebrates, the vertebrae become the main element that give the animal structure rather than the _________.

notochord

The different major groups within kingdoms are called

phyla

What are some diseases caused by roundworms?

pinworm, hookworm, trichinosis, elephantiasis

The 3 groups of mammals are

placental, marsupial, monotremes

The placoderms are

an extinct group of armored fish

What structures do fish use for respiration?

gills

Which of the following is NOT a crustacean?

horseshoe crab

Which of the following does NOT show some cephalization?

hydra

What is the system by which echinoderms move?

hydraulic

What are the 2 main groups of jawless fish alive today?

lampreys, hagfish

Name 2 invertebrate chordates

lancelets, tunicates

Amphibians evolved from

lobe-finned fish

How would the "Out of Africa" hypothesis explain different human races?

races came from Homo sapiens populations that migrated from Africa and settled in different regions and became locally adapted and may have eliminated the Homo erectus populations that lived there

What is a feature of adult echinoderms that is similar to more primitive groups?

radial symmetry

Animals without a nervous system

sponges

Jaws evolved from

supports for gill slits

Mammals diversified about 65 million years ago after ________.

the extinction of the dinosaurs

How many pairs of legs do insects typically have?

three

Mollusks are the

2nd largest

Neanderthals became extinct about ________ years ago.

30,000

Australopithecines appeared about

4 mya

Australopithecine fossils are found in

Africa

The genus Homo originated in

Africa

What is the largest animal phylum in terms of number of species?

Arthropods

Which of the following species came first in hominid phylogeny?

Homo habilis

Which of the following is NOT an echinoderm?

barnacle

What are 4 features that form a unique combination in humans?

bipedal, large brain, tool use, complex language

Which feature of hominids was first to evolve?

bipedalism

Clams and oysters belong to what mollusk group?

bivalves

What are some flatworms that are parasitic?

blood flukes, tapeworms

Which of the following is NOT an annelid?

centipede

What is our closest living relative?

chimps

The animal group with medusa and polyp stages

cnidarians

All the animals without an anus

cnidarians and flatworms

The differences between protostomes and deuterostomes has to do with differences in ___________________ and how the ___________ is formed.

embryonic development, mouth

What is the advantage of segmentation?

flexibility, movement

What are 3 main subgroups of amphibians?

frogs and toads, salamanders, caecilians

The characteristics that distinguish mammals from other vertebrates are

hair and mammary glands

What complications for growth result from having an exoskeleton?

have to shed your skeleton to grow leaving you vulnerable

Identify the main body segments of an insect

head, thorax, abdomen

Animals with nematocysts are

jelly fish

What are 2 adaptations that have contributed to the success of arthropods.

jointed appendages, exoskeleton, segmentation, well developed nervous and sensory system, larva-adult

The feature that is different is monotremes is that they _______

lay eggs

Centipedes and millipedes differ in their number of _______ and how they ________?

legs, feed (millipedes are herbivores and centipedes are carnivores)

What does it mean for a parasitic animal to have a complex life cycle?

live in several different host animal species

Cephalization refers to

location of nervous tissue

What vertebrate groups have amniote eggs?

mammals, birds, reptiles

Which of the following is NOT an arachnid?

millipedes

What are 3 terms that in combination distinguish animals from the other kingdoms?

mobile, multicellular, heterotrophs

How would the multiregionalism hypothesis explain modern races of humans?

modern races evolved from local Homo erectus populations living in different regions that became Homo sapiens

A mantle is found in what group?

mollusks

These animals are extremely abundant in the soil

nematodes

Which of the following is NOT a protostome?

sand dollar

What are 2 of the adaptations that allow reptiles to colonize dry habitats?

scaly skin, breathe with lungs, lay eggs on land, internal fertilization

Name 2 different groups of cartilaginous fish.

sharks and rays

Which of the following mollusks does NOT have a shell?

slugs

The coelum is associated with

the body cavity

Most of the crustaceans live in

the ocean

Besides using their skin as a body covering, what else do amphibians use their skin for?

they breathe through their skin

Which of the following is an extinct arthropod group?

trilobites

What are 2 of the main groups of present-day reptiles?

turtles, crocodiles, snakes, lizards

Which of the following is NOT a feature common to all chordates?

vertebrae


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