Question 1

Which of these is a protostome?

Accepted Answer

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

Question 2

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

Question 3

The mantle, foot, and visceral mass are all parts of a(n)

Accepted Answer

A)   annelid.
B)   mollusc.
C)   planarian.
D)   tunicate.
E)   arthropod.F) A) and E)
G) A) and D)

Question 4

What are the key features of chordates?

Accepted Answer

A)   notochord, dorsal tubular nerve cord, pharyngeal pouches, and a tail
B)   notochord, dorsal tubular nerve cord, water vascular system, and a tail
C)   ventral nerve chord, notochord, pharyngeal pouches, and a tail
D)   notochord, dorsal tubular nerve cord, nerve ring, and a tail
E)   notochord, ventral nerve cord, water vascular system, and a tailF) B) and E)
G) A) and D)

Question 5

Which statement is inconsistent with echinoderms?

Accepted Answer

A)   The exoskeleton is made up of bony tissue.
B)   Gas exchange occurs through gills on the skin.
C)   Larvae are free-swimming and bilaterally symmetrical.
D)   A water vascular system allows the tube feet to produce suction.
E)   Symmetry is radial in the adult, usually with parts in fives or multiples of five.F) All of the above
G) A) and B)

Question 6

One of the key features of the lophotrochozoans is that they have a band of cilia during their larval stage.

Accepted Answer

A) True 
 B)False

Question 7

Nephridia are found in

Accepted Answer

A)   jawless fishes.
B)   echinoderms.
C)   lancelets.
D)   annelids.
E)   cephalopods.F) B) and E)
G) C) and D)

Question 8

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 E)
G) All of the above

Question 9

Which of these statements about the evolutionary tree of animals is incorrect?

Accepted Answer

A)   All animals have true tissues.
B)   All animals are multicellular.
C)   Humans are more closely related to sea stars than to insects.
D)   Radial symmetry preceded bilateral symmetry in animal evolution.
E)   Some animals have no germ layers, while others have two or three germ layers.F) C) and E)
G) A) and B)

Question 10

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 C)
G) All of the above

Question 11

Which of these is a primate, but not an anthropoid?

Accepted Answer

A)   chimpanzee
B)   baboon
C)   opossum
D)   human
E)   lemurF) B) and E)
G) C) and E)

Question 12

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 E)
G) All of the above

Question 13

Which of the following are invertebrate chordates?

Accepted Answer

A)   tunicates only
B)   lancelets only
C)   jawless fishes only
D)   tunicates and lancelets but not jawless fishes
E)   tunicates, lancelets, and jawless fishesF) B) and D)
G) C) and D)

Question 14

Ascaris is considered to be a(n)

Accepted Answer

A)   roundworm.
B)   flatworm.
C)   earthworm.
D)   cnidarian.
E)   arthropod.F) B) and D)
G) None of the above

Question 15

Which of the following is a crustacean?

Accepted Answer

A)   barnacle
B)   oyster
C)   clam
D)   mussel
E)   scallopF) A) and B)
G) C) and E)

Question 16

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 D)
G) C) and E)

Question 17

Organisms that live in a marine environment and 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) None of the above
G) C) and D)

Question 18

Which two groups of primates share the closest ancestry?

Accepted Answer

A)   prosimians and gibbons
B)   New World monkeys and apes
C)   hominins and Old World monkeys
D)   gibbons and prosimians
E)   apes and homininsF) A) and C)
G) B) and C)

Question 19

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) All of the above

Question 20

When did modern humans migrate from Africa into Asia and Europe?

Accepted Answer

A)   100,000 year ago
B)   10,000 years ago
C)   200,000 years ago
D)   1.2 million years ago
E)   220,000 years agoF) A) and E)
G) A) and B)

Exam 19: Animals

Which of these is a protostome?

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What is the defining feature of the lophotrochozoans?

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Which of the following is a crustacean?

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Nephridia are found in

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One of the key features of the lophotrochozoans is that they have a band of cilia during their larval stage.

Correct AnswerverifiedShow Answer

When did modern humans migrate from Africa into Asia and Europe?

Correct AnswerverifiedShow Answer

Amphibians are the descendants of

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Which statement is inconsistent with echinoderms?

Correct AnswerverifiedShow Answer

What are the key features of chordates?

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

Correct AnswerverifiedShow Answer

Which two groups of primates share the closest ancestry?

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 is a primate, but not an anthropoid?

Correct AnswerverifiedShow Answer

Which of these is mismatched?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of these statements about the evolutionary tree of animals is incorrect?

Correct AnswerverifiedShow Answer

The mantle, foot, and visceral mass are all parts of a(n)

Correct AnswerverifiedShow Answer

In protostome development,

Correct AnswerverifiedShow Answer

Ascaris is considered to be a(n)

Correct AnswerverifiedShow Answer

Which of the following are invertebrate chordates?

Correct AnswerverifiedShow Answer

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