Question 1

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) C) and E)

Question 2

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) A) and C)
G) A) and E)

Question 3

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) All of the above
G) None of the above

Question 4

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) A) and B)
G) A) and C)

Question 5

Which of these is a cephalopod?

Accepted Answer

A)   nudibranch
B)   snail
C)   oyster
D)   squid
E)   musselF) None of the above
G) A) and C)

Question 6

Which feature is lacking in sponges?

Accepted Answer

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

Question 8

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

Question 9

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) D) and E)
G) A) and E)

Question 10

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) A) and E)
G) All of the above

Question 11

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) C) and D)
G) A) and D)

Question 12

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

Question 13

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) A) and C)
G) A) and E)

Question 14

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) A) and B)
G) B) and D)

Question 15

Which of these has a coelom?

Accepted Answer

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

Question 16

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

Question 17

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) A) and B)
G) A) and C)

Question 18

Molluscs are

Accepted Answer

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

Question 19

Amphibians are the descendants of

Accepted Answer

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

Question 20

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) B) and D)
G) B) and C)

Exam 19: The Animals

Which feature is used to identify the ecdysozoans?

Correct AnswerverifiedShow Answer

Which of these is a cephalopod?

Correct AnswerverifiedShow Answer

Which of these features would not belong to an echinoderm?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Which of these has a coelom?

Correct AnswerverifiedShow Answer

Which of these is not a chordate characteristic?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Amphibians are the descendants of

Correct AnswerverifiedShow Answer

What is the defining feature of the lophotrochozoans?

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)

Correct AnswerverifiedShow Answer

Which feature is lacking in sponges?

Correct AnswerverifiedShow Answer

Which feature is not found in the arthropods?

Correct AnswerverifiedShow Answer

Which of these is a protostome?

Correct AnswerverifiedShow Answer

Which of these is present in all fishes?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Why are developmental biologists especially interested in studying echinoderm embryos?

Correct AnswerverifiedShow Answer

Molluscs are

Correct AnswerverifiedShow Answer

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