Question 1

What is the defining feature of the lophotrochozoans?

Accepted Answer

A)   tentacle-like feeding structure
B)   filter feeding
C)   multicellularity
D)   bilateral symmetry
E)   exoskeletonF) B) and E)
G) A) and E)

Question 2

Which group of organisms is it believed that animals evolved from?

Accepted Answer

A)   protozoan
B)   fungi
C)   bacteria
D)   archaea
E)   spongesF) B) and E)
G) B) and D)

Question 3

What is a common feature shared by both the roundworms and the arthropods?

Accepted Answer

A)   gills
B)   cutaneous respiration
C)   exoskeleton
D)   endoskeleton
E)   jointed appendagesF) A) and D)
G) None of the above

Question 4

Animals are not

Accepted Answer

A)   multicellular.
B)   chemoheterotrophic by absorption.
C)   motile.
D)   chemoheterotrophic by ingestion.
E)   eukaryotic.F) A) and E)
G) B) and C)

Question 5

The luna moth (Actias luna) is a large,showy moth with lovely green wings.It has no mouth and therefore cannot eat.How is it that this species continues to exist?

Accepted Answer

A)   The luna moth is chemoheterotrophic by absorption, not by ingestion.
B)   The luna moth is the adult stage in the life cycle; feeding occurs during the caterpillar stage.
C)   The luna moth is a rare mutant; typical moths of the species Actias luna do have mouths.
D)   The luna moth is the larval stage in the life cycle; it eventually becomes a caterpillar which can feed.
E)   The luna moth can use its green wings for photosynthesis.F) A) and B)
G) A) and C)

Question 6

Birds are not

Accepted Answer

A)   reptiles.
B)   ectothermic.
C)   amniotes.
D)   chordates.
E)   deuterostomes.F) B) and E)
G) A) and E)

Question 7

Which of these is mismatched?

Accepted Answer

A)   tunicate - has all chordate characteristics as an adult
B)   ray-finned fish - has a swim bladder
C)   lamprey - lacks jaws
D)   cartilaginous fish - has jaws
E)   lobe-finned fish - has a lungF) B) and D)
G) C) and E)

Question 8

Which of these is mismatched?

Accepted Answer

A)   cnidarian - nematocyst
B)   planarian - ladderlike nervous system
C)   sponge - collar cell
D)   fluke - body cavity
E)   roundworm - complete digestive tractF) A) and B)
G) A) and C)

Question 9

Organisms that live in a marine environment,have skin gills,tube feet,a coelom,and a water vascular system are classified as a(n)

Accepted Answer

A)   tunicate.
B)   lancelet.
C)   planarian.
D)   oligochaete.
E)   echinoderm.F) A) and B)
G) All of the above

Question 10

Which of these is a protostome?

Accepted Answer

A)   a chimpanzee
B)   a planarian
C)   a sea anemone
D)   a sea star
E)   lanceletF) B) and E)
G) A) and D)

Question 11

Which of these is a unique characteristic of mammals?

Accepted Answer

A)   hair
B)   four-chambered heart
C)   extraembryonic membranes
D)   endothermic
E)   cephalizationF) A) and B)
G) A) and C)

Question 12

In protostome development

Accepted Answer

A)   the blastopore becomes the anus.
B)   the coelom forms from mesodermal outpocketings of the gut.
C)   there is no coelom.
D)   the mouth forms from the second embryonic opening, not from the blastopore.
E)   the blastopore becomes the mouth.F) A) and B)
G) D) and E)

Question 13

Which is not a typical adult amphibian characteristic?

Accepted Answer

A)   eyelids
B)   jaws
C)   jointed limbs
D)   lungs
E)   four-chambered heartF) A) and E)
G) B) and D)

Question 14

A(n) _____ is an individual animal that possesses both male and female sex organs.

Accepted Answer

A)   cephalopod
B)   acoelomate
C)   deuterostome
D)   larva
E)   hermaphroditeF) C) and D)
G) B) and E)

Question 15

Which of these is present in all fishes?

Accepted Answer

A)   jaws
B)   lungs
C)   fleshy, bone-containing appendages
D)   fins supported by bony spikes
E)   vertebraeF) C) and D)
G) B) and D)

Question 16

Which of these is not a chordate characteristic?

Accepted Answer

A)   notochord
B)   ventral, solid nerve cord
C)   pharyngeal pouches
D)   postanal tail
E)   coelomF) A) and C)
G) B) and D)

Question 17

Which feature is used to identify the ecdysozoans?

Accepted Answer

A)   shedding their exoskeleton
B)   presence of an endoskeleton
C)   parasitic lifestyle
D)   asexual reproduction
E)   adapted to aquatic habitatsF) All of the above
G) B) and E)

Question 18

Ascaris is considered to be a(n)

Accepted Answer

A)   roundworm.
B)   flatworm.
C)   earthworm.
D)   cnidarian.
E)   arthropod.F) B) and D)
G) A) and D)

Question 19

Animals are thought to be most closely related to

Accepted Answer

A)   choanoflagellates.
B)   charophytes.
C)   chytrids.
D)   fungi.
E)   amoebas.F) A) and C)
G) A) and B)

Question 20

Amphibians are the descendants of

Accepted Answer

A)   ray-finned fishes.
B)   cartilaginous fishes.
C)   lobe-finned fishes.
D)   hagfishes.
E)   reptiles.F) B) and C)
G) C) and D)

Exam 19: Both Water and Land: Animals

The luna moth (Actias luna) is a large,showy moth with lovely green wings.It has no mouth and therefore cannot eat.How is it that this species continues to exist?

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Amphibians are the descendants of

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Which of these is a unique characteristic of mammals?

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Birds are not

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Organisms that live in a marine environment,have skin gills,tube feet,a coelom,and a water vascular system are classified as a(n)

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Animals are thought to be most closely related to

Correct AnswerverifiedShow Answer

What is a common feature shared by both the roundworms and the arthropods?

Correct AnswerverifiedShow Answer

A(n) _____ is an individual animal that possesses both male and female sex organs.

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What is the defining feature of the lophotrochozoans?

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Which of these is mismatched?

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Which of these is mismatched?

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In protostome development

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Which of these is a protostome?

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Which is not a typical adult amphibian characteristic?

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Which of these is present in all fishes?

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Which group of organisms is it believed that animals evolved from?

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Animals are not

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Which feature is used to identify the ecdysozoans?

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Which of these is not a chordate characteristic?

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Ascaris is considered to be a(n)

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