Question 1

The protist that is most closely related to animals is the ____.

Accepted Answer

A) amoeba 
B) choanoflagellate 
C) dinoflagellate 
D) euglenoid 
E) paramecium 
A) amoeba 
B) choanoflagellate 
C) dinoflagellate 
D) euglenoid 
E) paramecium

Question 2

Match the description to the correct mollusk group.
-feed by drawing water across their gills

Accepted Answer

A) gastropods 
B) bivalves 
C) cephalopods 
D) all mollusk groups 
A) gastropods 
B) bivalves 
C) cephalopods 
D) all mollusk groups

Question 3

The most diverse animal phylum is the ____, and the most diverse animals within this phylum are the ____.

Accepted Answer

A) Cnidaria; sponges 
B) Annelida; polychaetes 
C) Echinodermata; sea stars 
D) Mollusca; gastropods 
E) Arthropoda; insects 
A) Cnidaria; sponges 
B) Annelida; polychaetes 
C) Echinodermata; sea stars 
D) Mollusca; gastropods 
E) Arthropoda; insects

Question 4

A mollusk radula is similar to a(n) ____.

Accepted Answer

A) foot 
B) tongue 
C) ear 
D) hair 
E) mouth 
A) foot 
B) tongue 
C) ear 
D) hair 
E) mouth

Question 5

Match the description to the correct mollusk group.
-includes the only terrestrial mollusks

Accepted Answer

A) gastropods 
B) bivalves 
C) cephalopods 
D) all mollusk groups 
A) gastropods 
B) bivalves 
C) cephalopods 
D) all mollusk groups

Question 6

Four of the five answers listed below are characteristics of cnidarians. Select the exception.

Accepted Answer

A) ciliated larvae 
B) polyp form 
C) jellylike matrix 
D) nematocyst 
E) pharynx 
A) ciliated larvae 
B) polyp form 
C) jellylike matrix 
D) nematocyst 
E) pharynx

Question 7

The only winged invertebrates are from which group?

Accepted Answer

A) Hymenoptera 
B) arachnids 
C) crustaceans 
D) insects 
E) Coleoptera 
A) Hymenoptera 
B) arachnids 
C) crustaceans 
D) insects 
E) Coleoptera

Question 8

The function of the collar cells of sponges is to ____.

Accepted Answer

A) secrete a matrix that supports the body of the sponge 
B) filter and engulf food 
C) digest food 
D) produce eggs and sperm 
E) attach the sponge to a solid surface 
A) secrete a matrix that supports the body of the sponge 
B) filter and engulf food 
C) digest food 
D) produce eggs and sperm 
E) attach the sponge to a solid surface

Question 9

Spiders use which mouthparts for subduing prey?

Accepted Answer

A) mandibles 
B) pedipalps 
C) chelicerae 
D) maxillae 
E) labial palps 
A) mandibles 
B) pedipalps 
C) chelicerae 
D) maxillae 
E) labial palps

Question 10

Animals with ____ have a distinctive head end with a concentration of nerve cells and typically move through the environment headfirst.

Accepted Answer

A) endodermal tissue 
B) ectodermal tissue 
C) mesodermal tissue 
D) radial symmetry 
E) bilateral symmetry 
A) endodermal tissue 
B) ectodermal tissue 
C) mesodermal tissue 
D) radial symmetry 
E) bilateral symmetry

Question 11

Which animals have a gut with two openings (a mouth and an anus)?

Accepted Answer

A) cnidarians 
B) annelids 
C) flatworms 
D) sponges 
E) tapeworms 
A) cnidarians 
B) annelids 
C) flatworms 
D) sponges 
E) tapeworms

Question 12

Wings enable insects to ____.

Accepted Answer

A) utilize diverse resources 
B) disperse more widely than any other land invertebrate 
C) move faster than any other land invertebrate 
D) outcompete flightless invertebrates 
E) use multiple methods of reproduction 
A) utilize diverse resources 
B) disperse more widely than any other land invertebrate 
C) move faster than any other land invertebrate 
D) outcompete flightless invertebrates 
E) use multiple methods of reproduction

Question 13

Arthropods usually detect chemicals in water or air with their ____.

Accepted Answer

A) antennae 
B) legs 
C) mouths 
D) noses 
E) eyes 
A) antennae 
B) legs 
C) mouths 
D) noses 
E) eyes

Question 14

How do marine polychaetes use chitin-hardened body parts?

Accepted Answer

A) as chitin-reinforced bristles for movement only 
B) as chitin-hardened tentacles to move sand only 
C) as chitin-hardened jaws to capture prey only 
D) as chitin-hardened jaws to capture prey and chitin-hardened tentacles to move sand 
E) as chitin-reinforced bristles for movement and chitin-hardened jaws to capture prey 
A) as chitin-reinforced bristles for movement only 
B) as chitin-hardened tentacles to move sand only 
C) as chitin-hardened jaws to capture prey only 
D) as chitin-hardened jaws to capture prey and chitin-hardened tentacles to move sand 
E) as chitin-reinforced bristles for movement and chitin-hardened jaws to capture prey

Question 15

Which group is characterized by radially symmetrical members?

Accepted Answer

A) arthropods 
B) cnidarians 
C) flatworms 
D) mollusks 
E) annelids 
A) arthropods 
B) cnidarians 
C) flatworms 
D) mollusks 
E) annelids

Question 16

A digestive system with ____ is able to carry out various tasks of digestion at once.

Accepted Answer

A) bilateral symmetry 
B) collar cells 
C) a one-way tube, a mouth, and an anus 
D) radula 
E) a two way sac-like cavity 
A) bilateral symmetry 
B) collar cells 
C) a one-way tube, a mouth, and an anus 
D) radula 
E) a two way sac-like cavity

Question 17

The sea slugs (nudibranchs) may protect themselves by which method?

Accepted Answer

A) Their raspy radula may be used as a defense organ to injure potential predators. 
B) They make and secrete distasteful substances. 
C) They use camouflage. 
D) They hide in their shells. 
E) They use defensive weapons taken from their prey (toxins and nematocysts). 
A) Their raspy radula may be used as a defense organ to injure potential predators. 
B) They make and secrete distasteful substances. 
C) They use camouflage. 
D) They hide in their shells. 
E) They use defensive weapons taken from their prey (toxins and nematocysts).

Question 18

Which condition is not caused or transmitted by an insect?

Accepted Answer

A) schistosomiasis 
B) reduced lumber harvests 
C) significant damage to food crops 
D) typhus 
E) malaria 
A) schistosomiasis 
B) reduced lumber harvests 
C) significant damage to food crops 
D) typhus 
E) malaria

Question 19

"Nerve net" describes the nervous system of ____.

Accepted Answer

A) flatworms 
B) cnidarians 
C) annelids 
D) arthropods 
E) sponges 
A) flatworms 
B) cnidarians 
C) annelids 
D) arthropods 
E) sponges

Question 20

The vast majority of animals are ____.

Accepted Answer

A) mammals 
B) invertebrates 
C) vertebrates 
D) birds 
E) predators 
A) mammals 
B) invertebrates 
C) vertebrates 
D) birds 
E) predators

Exam 23: Animals I: Major Invertebrate Groups

The protist that is most closely related to animals is the ____.

Match the description to the correct mollusk group. -feed by drawing water across their gills

The most diverse animal phylum is the ____, and the most diverse animals within this phylum are the ____.

A mollusk radula is similar to a(n) ____.

Match the description to the correct mollusk group. -includes the only terrestrial mollusks

Four of the five answers listed below are characteristics of cnidarians. Select the exception.

The only winged invertebrates are from which group?

The function of the collar cells of sponges is to ____.

Spiders use which mouthparts for subduing prey?

Animals with ____ have a distinctive head end with a concentration of nerve cells and typically move through the environment headfirst.

Which animals have a gut with two openings (a mouth and an anus)?

Wings enable insects to ____.

Arthropods usually detect chemicals in water or air with their ____.

How do marine polychaetes use chitin-hardened body parts?

Which group is characterized by radially symmetrical members?

A digestive system with ____ is able to carry out various tasks of digestion at once.

The sea slugs (nudibranchs) may protect themselves by which method?

Which condition is not caused or transmitted by an insect?

"Nerve net" describes the nervous system of ____.

The vast majority of animals are ____.

The Science of Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where It Starts-Photosynthesis

Releasing Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Patterns in Inherited Traits

Human Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Lifes Origin and Early Evolution

Viruses, Bacteria, and Archaea

The Protists

Plant Evolution

Fungi

Animals Ii: the Chordates

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Reproduction and Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Effects on the Biosphere

Filters

The most diverse animal phylum is the , and the most diverse animals within this phylum are the .