Question 1

Describe the similarities and differences between the comb jellies and cnidarians.

Accepted Answer

Both of these groups have true tissues,h...

Question 2

Unique features of animals include ingesting their food,having a cell wall,and the ability to move at some point in their life cycle.

Accepted Answer

A) True 
 B)False

Question 3

The segments of a tapeworm that contain female and male sex organs are called

Accepted Answer

A)  proglottids.
B)  cercariae.
C)  sporocysts.
D)  scolexes.
E)  glycocalyxes.F) C) and E)
G) A) and C)

Question 4

The structure that directs food into the body of a rotifer is called the corona.

Accepted Answer

A) True 
 B)False

Question 5

Bilaterally symmetrical animals

Accepted Answer

A)  tend to be active and move forward.
B)  tend to exhibit cephalization.
C)  have right and left sides when cut longitudinally.
D)  All of the choices are correct.E) B) and C)
F) A) and C)

Question 6

Marine annelids (polychaetes) are different than earthworms in that polychaetes

Accepted Answer

A)  lack the setae that earthworms have.
B)  have paddle-like parapodia that earthworms do not have.
C)  have segments,whereas marine annelids do not.
D)  lack a larval form,whereas earthworms have a larvae form.
E)  marine annelids have a well-developed coelom,whereas earthworms do not.F) D) and E)
G) A) and E)

Question 7

Which phylum contains the greatest diversity of animal species?

Accepted Answer

A)  Mollusca
B)  Arthropoda
C)  Chordata
D)  Echinodermata
E)  AnnelidaF) C) and D)
G) B) and E)

Question 8

Identify which of the following feature(s) are found in the cnidarians but not in the comb jellies.

Accepted Answer

A)  They are free-swimming invertebrates.
B)  They contain a capsule called a nematocyst.
C)  They produce movement by the beating of cilia.
D)  Much of the body is composed of a jellylike substance called mesoglea.
E)  These species can be found in the marine environment.F) B) and D)
G) None of the above

Question 9

Which statement concerning body symmetry is NOT correct?

Accepted Answer

A)  In radial symmetry,two identical halves are obtained regardless of how the animal is sliced longitudinally.
B)  The evolution of bilateral symmetry is accompanied by cephalization.
C)  Asymmetrical animals have no body shape.
D)  Bilaterally symmetric animals are usually sessile.
E)  Radial symmetry is useful because the animals can reach out in all directions.F) A) and B)
G) B) and E)

Question 10

Roundworms and arthropods are both ecdysozoans.This means they

Accepted Answer

A)  have a trochophore larvae.
B)  have a body cavity that is completely lined with mesoderm.
C)  have the anus arise at or near the blastopore.
D)  periodically shed their outer covering.
E)  No answer choice is correct.F) None of the above
G) C) and E)

Question 11

Animals are classified according to all of the following features EXCEPT

Accepted Answer

A)  presence or absence of segmentation.
B)  mode of reproduction.
C)  type of body symmetry.
D)  number of germ layers.
E)  molecular data.F) B) and C)
G) C) and D)

Question 12

Sea stars and sea urchins operate their tube feet by

Accepted Answer

A)  a water vascular system that regulates water pressure.
B)  cilia transporting hemolymph from chamber to chamber.
C)  sticky threads leading from the mouth and primitive brain.
D)  actin and myosin fibers that slide and give muscle actions to the five arms or "rays."E) B) and C)
F) All of the above

Question 13

Which statement is NOT correct about the roundworms?

Accepted Answer

A)  There are three layers of tissues in the body.
B)  Roundworms have a tube-within-a-tube body plan.
C)  There is an internal body cavity called a pseudocoelom.
D)  Roundworms have a smooth unsegmented outside body wall.
E)  Roundworms are all parasitic.F) A) and B)
G) C) and D)

Exam 28: Invertebrate Evolution

Animals are classified according to all of the following features EXCEPT

Correct Answer
verified

Identify which of the following feature(s) are found in the cnidarians but not in the comb jellies.

Correct Answer
verified

Describe the similarities and differences between the comb jellies and cnidarians.

Correct Answer
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Both of these groups have true tissues,h...
View Answer

Marine annelids (polychaetes) are different than earthworms in that polychaetes

Correct Answer
verified

The segments of a tapeworm that contain female and male sex organs are called

Correct Answer
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Which statement concerning body symmetry is NOT correct?

Correct Answer
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Unique features of animals include ingesting their food,having a cell wall,and the ability to move at some point in their life cycle.

Correct Answer
verified

Bilaterally symmetrical animals

Correct Answer
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Which statement is NOT correct about the roundworms?

Correct Answer
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Sea stars and sea urchins operate their tube feet by

Correct Answer
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Which phylum contains the greatest diversity of animal species?

Correct Answer
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The structure that directs food into the body of a rotifer is called the corona.

Correct Answer
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Roundworms and arthropods are both ecdysozoans.This means they

Correct Answer
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Exam 28: Invertebrate Evolution

Animals are classified according to all of the following features EXCEPT

Correct AnswerverifiedShow Answer

Identify which of the following feature(s) are found in the cnidarians but not in the comb jellies.

Correct AnswerverifiedShow Answer

Describe the similarities and differences between the comb jellies and cnidarians.

Correct AnswerverifiedBoth of these groups have true tissues,h...View AnswerShow Answer

Marine annelids (polychaetes) are different than earthworms in that polychaetes

Correct AnswerverifiedShow Answer

The segments of a tapeworm that contain female and male sex organs are called

Correct AnswerverifiedShow Answer

Which statement concerning body symmetry is NOT correct?

Correct AnswerverifiedShow Answer

Unique features of animals include ingesting their food,having a cell wall,and the ability to move at some point in their life cycle.

Correct AnswerverifiedShow Answer

Bilaterally symmetrical animals

Correct AnswerverifiedShow Answer

Which statement is NOT correct about the roundworms?

Correct AnswerverifiedShow Answer

Sea stars and sea urchins operate their tube feet by

Correct AnswerverifiedShow Answer

Which phylum contains the greatest diversity of animal species?

Correct AnswerverifiedShow Answer

The structure that directs food into the body of a rotifer is called the corona.

Correct AnswerverifiedShow Answer

Roundworms and arthropods are both ecdysozoans.This means they

Correct AnswerverifiedShow Answer

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Both of these groups have true tissues,h...
View Answer

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