Question 1

The main reason reptiles are so well-adapted to land environment is their method of

Accepted Answer

A)   respiration.
B)   vocalization.
C)   reproduction.
D)   predation.
E)   temperature regulation.F) None of the above
G) A) and D)

Question 2

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) A) and E)
G) B) and E)

Question 3

Why are developmental biologists especially interested in studying echinoderm embryos?

Accepted Answer

A)   Echinoderms are primitive chordates.
B)   Echinoderms are the closest living relatives of chordates.
C)   Echinoderms are the only animals with three embryonic germ layers.
D)   Echinoderms, unlike most invertebrates, retain their notochords as adults.
E)   Echinoderms, like chordates, are protostomes.F) All of the above
G) A) and E)

Question 4

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

Accepted Answer

A)   tunicate.
B)   lancelet.
C)   planarian.
D)   oligochaete.
E)   echinoderm.F) A) and B)
G) A) and C)

Question 5

Which feature is lacking in sponges?

Accepted Answer

A)   multicellularity
B)   cellular level of organization
C)   organized true tissues
D)   flagella
E)   filter feederF) A) and E)
G) B) and D)

Question 6

Which of these is a cephalopod?

Accepted Answer

A)   nudibranch
B)   snail
C)   oyster
D)   squid
E)   musselF) A) and B)
G) D) and E)

Question 7

Which of these is a protostome?

Accepted Answer

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

Question 8

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) C) and D)
G) D) and E)

Question 9

Which of these has a coelom?

Accepted Answer

A)   sea star
B)   roundworm
C)   fluke
D)   planarian
E)   hydraF) A) and E)
G) C) and E)

Question 10

Molluscs are

Accepted Answer

A)   deuterostomes.
B)   acoelomates.
C)   protostomes.
D)   pseudocoelomates.
E)   segmented.F) D) and E)
G) A) and B)

Question 11

Which of these features would not belong to an echinoderm?

Accepted Answer

A)   water vascular system
B)   coelom
C)   larval stage
D)   skin gills
E)   nephridiumF) B) and E)
G) B) and C)

Question 12

What feature is used to classify a sponge as a parazoan?

Accepted Answer

A)   molecular data
B)   reproductive abilities
C)   environment they live in
D)   feeding mechanism
E)   number of different species known to scienceF) B) and C)
G) B) and D)

Question 13

The repetition of body parts along the length of an animal's body is termed

Accepted Answer

A)   cephalization.
B)   coelomization.
C)   segmentation.
D)   compartmentalization.
E)   septation.F) D) and E)
G) A) and B)

Question 14

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 E)
G) D) and E)

Question 15

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) None of the above
G) A) and B)

Question 16

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) None of the above
G) B) and E)

Question 17

Which feature is not found in the arthropods?

Accepted Answer

A)   segmentation
B)   exoskeleton
C)   jointed appendages
D)   well-developed nervous system
E)   pseudocoelom lined with mesodermF) A) and C)
G) D) and E)

Question 18

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) B) and E)
G) B) and D)

Question 19

Which of these has the necessary adaptations to survive in a dry land environment?

Accepted Answer

A)   insect
B)   lobe-finned fish
C)   amphibian
D)   planarian
E)   tunicateF) C) and D)
G) A) and B)

Question 20

Amphibians are the descendants of

Accepted Answer

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

Exam 19: The Animals

The repetition of body parts along the length of an animal's body is termed

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Which of these is a cephalopod?

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Which of these features would not belong to an echinoderm?

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Molluscs are

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Why are developmental biologists especially interested in studying echinoderm embryos?

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Which feature is lacking in sponges?

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Which feature is not found in the arthropods?

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Which of these is a protostome?

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The main reason reptiles are so well-adapted to land environment is their method of

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Which of these has a coelom?

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Which of these is present in all fishes?

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Amphibians are the descendants of

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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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Which feature is used to identify the ecdysozoans?

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What is the defining feature of the lophotrochozoans?

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Which of these is not a chordate characteristic?

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

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Which of these has the necessary adaptations to survive in a dry land environment?

Correct AnswerverifiedShow Answer

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

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What feature is used to classify a sponge as a parazoan?

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