Question 1

You are given temperature data showing that a newly discovered animal has the same body temperature as long as the temperature of the room in which the animal is found remains constant.When the room temperature varies,the animal shows a similar variation in its temperature.You are looking at data from a(n)

Accepted Answer

A)   thermophile.
B)   mesophile.
C)   mammal.
D)   endotherm.
E)   ectotherm.F) A) and B)
G) A) and C)

Question 2

Flatworms have complete digestive tracts.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is a jawless fish?

Accepted Answer

A)   skate
B)   shark
C)   tuna
D)   salmon
E)   lampreyF) A) and E)
G) A) and D)

Question 4

A lancelet is a(n)

Accepted Answer

A)   invertebrate chordate.
B)   vertebrate.
C)   echinoderm.
D)   amphibian.
E)   fish.F) B) and E)
G) All of the above

Question 5

Which of the following is not a reptile?

Accepted Answer

A)   bat
B)   snake
C)   crocodile
D)   turtle
E)   penguinF) C) and D)
G) B) and E)

Question 6

Hominids include

Accepted Answer

A)   humans.
B)   orangutans.
C)   chimpanzees.
D)   gorillas.
E)   All answers are correct.F) A) and C)
G) A) and B)

Question 7

If asked on an exam to give a property not found in the echinoderms,which would you write on the exam?

Accepted Answer

A)   They exhibit cephalization.
B)   Adults exhibit radial symmetry.
C)   Larvae exhibit bilateral symmetry.
D)   They have a complete digestive tract.
E)   They have spiny skin.F) C) and D)
G) B) and D)

Question 8

The Mesozoic era lasted from

Accepted Answer

A)   65 million years ago to 2 million years ago.
B)   500 million years ago to 250 million years ago.
C)   250 million years ago to 65 million years ago.
D)   540 million years ago to 250 million years ago.
E)   one billion years ago to 500 million years ago.F) B) and E)
G) B) and D)

Question 9

When asked to analyze a sample of marine life,you notice the animal has an incomplete digestive tract,stinging cells,and swims by propeling water through itself.You conclude that you are observing a cnidarian polyp.

Accepted Answer

A) True 
 B)False

Question 10

The closest living relatives to humans on the evolutionary tree are

Accepted Answer

A)   gibbons.
B)   gorillas.
C)   orangutans.
D)   homo erectus.
E)   chimpanzees.F) A) and E)
G) C) and D)

Question 11

If you found a worm with obvious segments and a complete digestive tract,you might conclude that it was an annelid.

Accepted Answer

A) True 
 B)False

Question 12

Octopuses and squids are cephalopods and are members of which group?

Accepted Answer

A)   echinoderms
B)   arthropods
C)   amphibians
D)   cnidarians
E)   mollusksF) B) and D)
G) A) and B)

Question 13

An animal that maintains its body temperature by using heat generated from its own metabolism is a(n)

Accepted Answer

A)   endotherm.
B)   ectotherm.
C)   thermophile.
D)   mesophile.
E)   invertebrate.F) A) and E)
G) A) and D)

Question 14

When examining a picture of a butterfly,you notice that there is one position in which a mirror,running from one end of the butterfly to the other,completes the image as a whole butterfly.You conclude that the butterfly has

Accepted Answer

A)   radial symmetry.
B)   bilateral symmetry.
C)   longitudinal symmetry.
D)   mirrored symmetry.
E)   asymmetry.F) B) and E)
G) B) and D)

Question 15

You have discovered a new worm-like animal.You are convinced it is not a nematode because it

Accepted Answer

A)   has a complete digestive tract.
B)   is unsegmented.
C)   has bilateral symmetry.
D)   has a coelom.
E)   has tapered ends.F) B) and E)
G) B) and D)

Question 16

At the beach,you find an animal with a two-part shell,a muscular foot,and a radula.You conclude that you have found a mollusk.

Accepted Answer

A) True 
 B)False

Question 17

If you were eating sea urchin and starfish soup,you would be eating echinoderms.

Accepted Answer

A) True 
 B)False

Question 18

The "Cambrian explosion" refers to the

Accepted Answer

A)   mass extinction of dinosaurs.
B)   origination of most major phyla of animals.
C)   development of the first true cell.
D)   origination of life.
E)   creation of Earth.F) None of the above
G) B) and E)

Question 19

Segmentation occurs in annelids,arthropods,and chordates.What can therefore be concluded about segmentation?

Accepted Answer

A)   Segmentation occurs in all animals.
B)   Segmentation occurs only in invertebrates.
C)   Segmentation occurs only in vertebrates.
D)   Segmentation evolved multiple times.
E)   The first animal that gave rise to all other animals was segmented.F) C) and D)
G) A) and B)

Question 20

Leeches and earthworms belong to the phylum

Accepted Answer

A)   Porifera.
B)   Mollusca.
C)   Annelida.
D)   Nematoda.
E)   Platyhelminthes.F) B) and C)
G) A) and E)

Exam 17: Evolution and Diversity of Animals

Which of the following is not a reptile?

Correct Answer
verified

You have discovered a new worm-like animal.You are convinced it is not a nematode because it

Correct Answer
verified

If you found a worm with obvious segments and a complete digestive tract,you might conclude that it was an annelid.

Correct Answer
verified

Which of the following is a jawless fish?

Correct Answer
verified

When examining a picture of a butterfly,you notice that there is one position in which a mirror,running from one end of the butterfly to the other,completes the image as a whole butterfly.You conclude that the butterfly has

Correct Answer
verified

Octopuses and squids are cephalopods and are members of which group?

Correct Answer
verified

Leeches and earthworms belong to the phylum

Correct Answer
verified

When asked to analyze a sample of marine life,you notice the animal has an incomplete digestive tract,stinging cells,and swims by propeling water through itself.You conclude that you are observing a cnidarian polyp.

Correct Answer
verified

The "Cambrian explosion" refers to the

Correct Answer
verified

A lancelet is a(n)

Correct Answer
verified

The Mesozoic era lasted from

Correct Answer
verified

The closest living relatives to humans on the evolutionary tree are

Correct Answer
verified

Correct Answer
verified

An animal that maintains its body temperature by using heat generated from its own metabolism is a(n)

Correct Answer
verified

Flatworms have complete digestive tracts.

Correct Answer
verified

If you were eating sea urchin and starfish soup,you would be eating echinoderms.

Correct Answer
verified

At the beach,you find an animal with a two-part shell,a muscular foot,and a radula.You conclude that you have found a mollusk.

Correct Answer
verified

Hominids include

Correct Answer
verified

If asked on an exam to give a property not found in the echinoderms,which would you write on the exam?

Correct Answer
verified

Segmentation occurs in annelids,arthropods,and chordates.What can therefore be concluded about segmentation?

Correct Answer
verified

Exam 17: Evolution and Diversity of Animals

Which of the following is not a reptile?

Correct AnswerverifiedShow Answer

You have discovered a new worm-like animal.You are convinced it is not a nematode because it

Correct AnswerverifiedShow Answer

If you found a worm with obvious segments and a complete digestive tract,you might conclude that it was an annelid.

Correct AnswerverifiedShow Answer

Which of the following is a jawless fish?

Correct AnswerverifiedShow Answer

When examining a picture of a butterfly,you notice that there is one position in which a mirror,running from one end of the butterfly to the other,completes the image as a whole butterfly.You conclude that the butterfly has

Correct AnswerverifiedShow Answer

Octopuses and squids are cephalopods and are members of which group?

Correct AnswerverifiedShow Answer

Leeches and earthworms belong to the phylum

Correct AnswerverifiedShow Answer

When asked to analyze a sample of marine life,you notice the animal has an incomplete digestive tract,stinging cells,and swims by propeling water through itself.You conclude that you are observing a cnidarian polyp.

Correct AnswerverifiedShow Answer

The "Cambrian explosion" refers to the

Correct AnswerverifiedShow Answer

A lancelet is a(n)

Correct AnswerverifiedShow Answer

The Mesozoic era lasted from

Correct AnswerverifiedShow Answer

The closest living relatives to humans on the evolutionary tree are

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

An animal that maintains its body temperature by using heat generated from its own metabolism is a(n)

Correct AnswerverifiedShow Answer

Flatworms have complete digestive tracts.

Correct AnswerverifiedShow Answer

If you were eating sea urchin and starfish soup,you would be eating echinoderms.

Correct AnswerverifiedShow Answer

At the beach,you find an animal with a two-part shell,a muscular foot,and a radula.You conclude that you have found a mollusk.

Correct AnswerverifiedShow Answer

Hominids include

Correct AnswerverifiedShow Answer

If asked on an exam to give a property not found in the echinoderms,which would you write on the exam?

Correct AnswerverifiedShow Answer

Segmentation occurs in annelids,arthropods,and chordates.What can therefore be concluded about segmentation?

Correct AnswerverifiedShow Answer

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