Question 1

Which of the following is not a characteristic of amphibians?

Accepted Answer

A)   They have a three-chambered heart.
B)   They are ectothermic.
C)   They have a cartilaginous skeleton.
D)   They do not have an amnion.
E)   They have vertebrae.F) C) and D)
G) A) and E)

Question 2

Which of the following is not an example of a mammal?

Accepted Answer

A)   dolphin
B)   whale
C)   platypus
D)   penguin
E)   kangarooF) B) and D)
G) B) and C)

Question 3

According to the fossil record,which of the following were the first vertebrates to appear on land?

Accepted Answer

A)   amphibians
B)   fish
C)   reptiles
D)   birds
E)   mammalsF) C) and D)
G) B) and C)

Question 4

Which of the following is not a characteristic of an annelid?

Accepted Answer

A)   They have a coelom.
B)   They are segmented.
C)   They have bilateral symmetry.
D)   They have organ systems.
E)   They have an incomplete digestive tract.F) A) and D)
G) B) and C)

Question 5

In the fossil record,there is evidence that feathers were produced by which of the following?

Accepted Answer

A)   birds
B)   dinosaurs
C)   birds and some dinosaurs
D)   mammals
E)   birds and some mammalsF) B) and D)
G) B) and C)

Question 6

The embryonic germ layer of tissue in animals that develops into the skin and nervous system is the

Accepted Answer

A)   endoderm.
B)   mesoderm.
C)   pachyderm.
D)   protoderm.
E)   ectoderm.F) A) and B)
G) A) and C)

Question 7

Cnidarians all share the ability to do which of the following?

Accepted Answer

A)   live on land
B)   secrete enzymes to digest food
C)   sting predators and prey
D)   fly
E)   photosynthesizeF) B) and D)
G) C) and D)

Question 8

Mammals that lay eggs are

Accepted Answer

A)   monotremes.
B)   bats.
C)   placentals.
D)   birds.
E)   marsupials.F) B) and C)
G) C) and D)

Question 9

Sea cucumbers and sea urchins belong to the phylum containing the

Accepted Answer

A)   Arthropods.
B)   Echinoderms.
C)   Mollusks.
D)   Nematodes.
E)   Cnidarians.F) B) and E)
G) A) and D)

Question 10

Which of the following are jawless fishes?

Accepted Answer

A)   sharks
B)   tuna
C)   salmon
D)   lampreys
E)   skatesF) A) and B)
G) D) and E)

Question 11

The embryonic germ layer of tissue in animals that develops into the muscles and reproductive system is the

Accepted Answer

A)   endoderm.
B)   protoderm.
C)   mesoderm.
D)   pachyderm.
E)   ectoderm.F) B) and D)
G) A) and B)

Question 12

Earthworms have multiple hearts that pump blood throughout the body in vessels.They also ingest soil,digest the organic matter,and eliminate the indigestible particles as castings.Earthworms have which of the following?

Accepted Answer

A)   a complete digestive tract and open circulatory system
B)   a complete digestive tract and closed circulatory system
C)   an incomplete digestive tract and closed circulatory system
D)   an incomplete digestive tract and open circulatory systemE) A) and C)
F) B) and C)

Question 13

Which of the following is a trait shared by mammals and reptiles that is not shared by the other groups of chordates?

Accepted Answer

A)   an amnion
B)   hair
C)   mammary glands
D)   legs
E)   lungsF) A) and E)
G) B) and D)

Question 14

Which of the following were the first vertebrates to live and reproduce in dry environments?

Accepted Answer

A)   mammals
B)   birds
C)   fish
D)   reptiles
E)   amphibiansF) A) and D)
G) C) and D)

Question 15

Leeches and earthworms belong to the phylum containing the

Accepted Answer

A)   Nematodes.
B)   Flatworms.
C)   Sponges.
D)   Annelids.
E)   Mollusks.F) A) and C)
G) B) and E)

Question 16

Although animals as complicated as the sponges exist in the fossil record before 530 MYA,the common phyla we can observe in living animals now appear in the fossil record only abruptly in a short span of 25 million years.When researchers analyzed the DNA evidence that might relate sponges to the modern phyla,what unexpected result did they find?

Accepted Answer

A)   The entire genome of sponges was found to be very different in gene diversity from the genomes of other phyla.
B)   Samples of the living sponge, Oscarella carmela, were found to be relatively unchanged from fossil sponge DNA samples.
C)   DNA evidence indicated clearly that a sponge like Oscarella carmela was the common ancestor of eumetazoans.
D)   All of these answer options are correct in expressing unexpected results from the research.
E)   Many development genes thought to be specific to eumetazoans were found in sponges.F) A) and D)
G) C) and E)

Question 17

Sponges are

Accepted Answer

A)   plants.
B)   prokaryotic bacteria.
C)   the most complex protists.
D)   the simplest animals.
E)   not alive.F) None of the above
G) All of the above

Question 18

Figuer:
Main animal groups are noted at the right. Names diverging at each node are morphological or body form names. Note that the animal traits key to distinguishing the groups and body forms are not shown. 
-If an animal researcher reproduces this evolutionary tree,but rotates the body forms and animal groups,showing the Deuterostomes beneath the Protostomes,the interpretation of common ancestry and divergence among the body forms and animal groups will completely change.

Accepted Answer

A) True 
 B)False

Question 19

Birds are endothermic,feathered reptiles.

Accepted Answer

A) True 
 B)False

Question 20

In animals,a sphere of embryonic cells surrounding a fluid-filled cavity is called a

Accepted Answer

A)   coelom.
B)   gastrovascular cavity.
C)   hydrostatic skeleton.
D)   blastula.
E)   gastrula.F) D) and E)
G) A) and C)

Exam 21: Animals

Which of the following are jawless fishes?

Correct Answer
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Which of the following is not an example of a mammal?

Correct Answer
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Correct Answer
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Mammals that lay eggs are

Correct Answer
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Cnidarians all share the ability to do which of the following?

Correct Answer
verified

Sea cucumbers and sea urchins belong to the phylum containing the

Correct Answer
verified

In animals,a sphere of embryonic cells surrounding a fluid-filled cavity is called a

Correct Answer
verified

Which of the following were the first vertebrates to live and reproduce in dry environments?

Correct Answer
verified

The embryonic germ layer of tissue in animals that develops into the skin and nervous system is the

Correct Answer
verified

Which of the following is not a characteristic of an annelid?

Correct Answer
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Earthworms have multiple hearts that pump blood throughout the body in vessels.They also ingest soil,digest the organic matter,and eliminate the indigestible particles as castings.Earthworms have which of the following?

Correct Answer
verified

Leeches and earthworms belong to the phylum containing the

Correct Answer
verified

Which of the following is not a characteristic of amphibians?

Correct Answer
verified

Which of the following is a trait shared by mammals and reptiles that is not shared by the other groups of chordates?

Correct Answer
verified

The embryonic germ layer of tissue in animals that develops into the muscles and reproductive system is the

Correct Answer
verified

In the fossil record,there is evidence that feathers were produced by which of the following?

Correct Answer
verified

Correct Answer
verified

According to the fossil record,which of the following were the first vertebrates to appear on land?

Correct Answer
verified

Birds are endothermic,feathered reptiles.

Correct Answer
verified

Sponges are

Correct Answer
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Exam 21: Animals

Which of the following are jawless fishes?

Correct AnswerverifiedShow Answer

Which of the following is not an example of a mammal?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Mammals that lay eggs are

Correct AnswerverifiedShow Answer

Cnidarians all share the ability to do which of the following?

Correct AnswerverifiedShow Answer

Sea cucumbers and sea urchins belong to the phylum containing the

Correct AnswerverifiedShow Answer

In animals,a sphere of embryonic cells surrounding a fluid-filled cavity is called a

Correct AnswerverifiedShow Answer

Which of the following were the first vertebrates to live and reproduce in dry environments?

Correct AnswerverifiedShow Answer

The embryonic germ layer of tissue in animals that develops into the skin and nervous system is the

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of an annelid?

Correct AnswerverifiedShow Answer

Earthworms have multiple hearts that pump blood throughout the body in vessels.They also ingest soil,digest the organic matter,and eliminate the indigestible particles as castings.Earthworms have which of the following?

Correct AnswerverifiedShow Answer

Leeches and earthworms belong to the phylum containing the

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of amphibians?

Correct AnswerverifiedShow Answer

Which of the following is a trait shared by mammals and reptiles that is not shared by the other groups of chordates?

Correct AnswerverifiedShow Answer

The embryonic germ layer of tissue in animals that develops into the muscles and reproductive system is the

Correct AnswerverifiedShow Answer

In the fossil record,there is evidence that feathers were produced by which of the following?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

According to the fossil record,which of the following were the first vertebrates to appear on land?

Correct AnswerverifiedShow Answer

Birds are endothermic,feathered reptiles.

Correct AnswerverifiedShow Answer

Sponges are

Correct AnswerverifiedShow Answer

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