Question 1

Which statement is not true about invertebrate animals?

Accepted Answer

A)   Invertebrates lack a nervous system.
B)   The vast majority of animal species are invertebrates.
C)   Many invertebrate species live in a marine environment.
D)   Most animal phyla are invertebrates.
E)   All major invertebrate groups arose from protistan ancestors.F) A) and B)
G) D) and E) A

Question 2

The name Echinodermata literally means

Accepted Answer

A)   spiny skin.
B)   soft skin.
C)   circulation of water.
D)   skinless.
E)   ability to store water.F) D) and E)
G) A) and E)

Question 3

Which statement is not true about 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 4

Which group of organisms is it believed that animals evolved from?

Accepted Answer

A)   protozoan
B)   fungi
C)   bacteria
D)   archaea
E)   spongesF) A) and D)
G) A) and C)

Question 5

Which feature places cnidarians as eumetazoans?

Accepted Answer

A)   Cnidarians have two germ layers during development.
B)   Cnidarians are active predators.
C)   Cnidarians live in aquatic environments.
D)   Cnidarians reproduce sexually.
E)   Cnidarians are sessile at some point of their life cycle.F) B) and E)
G) None of the above A

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

Animals are not

Accepted Answer

A)   multicellular.
B)   heterotrophic.
C)   motile.
D)   autotrophic.
E)   eukaryotic.F) D) and E)
G) A) and B)

Question 8

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 E)
G) A) and D)

Question 9

The closest living relatives of modern humans are

Accepted Answer

A)   prosimians.
B)   African apes.
C)   New World monkeys.
D)   Asian apes.
E)   Old World monkeys.F) None of the above
G) B) and E)

Question 10

A leech would not have

Accepted Answer

A)   a notochord.
B)   segmentation.
C)   a ventral nerve cord.
D)   a coelom.
E)   mesoderm.F) B) and D)
G) A) and E)

Question 11

Nephridia are found in

Accepted Answer

A)   jawless fishes.
B)   echinoderms.
C)   lancelets.
D)   annelids.
E)   cephalopods.F) A) and B)
G) None of the above

Question 12

Animals are thought to be most closely related to

Accepted Answer

A)   choanoflagellates.
B)   charophytes.
C)   chytrids.
D)   fungi.
E)   amoebas.F) A) and D)
G) A) and C)

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

Question 14

Ascaris is considered to be an)

Accepted Answer

A)   roundworm.
B)   flatworm.
C)   earthworm.
D)   cnidarian.
E)   arthropod.F) B) and C)
G) B) and D) A

Question 15

Which feature is necessary in order to classify an organism as an ecdysozoan?

Accepted Answer

A)   nonliving exoskeleton
B)   endoskeleton made of chitin
C)   closed circulatory system
D)   open circulatory system
E)   gillsF) A) and B)
G) B) and D)

Question 16

While excavating a cave in Spain, you stumble across a skeleton that looks to be human. Upon closer examination, you find that the bones are disproportionately short and thick, and the skull has massive brow ridges. Carefully arranged around the skeleton are a variety of stone tools. You have most likely found the remains of an)

Accepted Answer

A)   Cro-Magnon.
B)   australopithecine.
C)   early hominin.
D)   Neandertal.
E)   prosimian.F) A) and B)
G) A) and C)

Question 17

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

Question 18

Which of these is a unique characteristic of mammals?

Accepted Answer

A)   hair
B)   four-chambered heart
C)   extraembryonic membranes
D)   endothermic
E)   cephalizationF) A) and E)
G) B) and C)

Question 19

An annelid does not

Accepted Answer

A)   have a coelom.
B)   have segmentation.
C)   possess a complete digestive tract.
D)   excrete via nephridia.
E)   undergo metamorphosis.F) D) and E)
G) A) and D)

Question 20

The mantle, foot, and visceral mass are all parts of an)

Accepted Answer

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

Exam 19: The Animals

Which statement is not true about invertebrate animals?

Correct Answer
verified
A

The name Echinodermata literally means

Correct Answer
verified

Which statement is not true about echinoderms?

Correct Answer
verified

Which group of organisms is it believed that animals evolved from?

Correct Answer
verified

Which feature places cnidarians as eumetazoans?

Correct Answer
verified
A

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

Correct Answer
verified

Animals are not

Correct Answer
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Which two groups of primates share the closest ancestry?

Correct Answer
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The closest living relatives of modern humans are

Correct Answer
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A leech would not have

Correct Answer
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Nephridia are found in

Correct Answer
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Animals are thought to be most closely related to

Correct Answer
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Which of the following are invertebrate chordates?

Correct Answer
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Ascaris is considered to be an)

Correct Answer
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A

Which feature is necessary in order to classify an organism as an ecdysozoan?

Correct Answer
verified

Correct Answer
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In protostome development,

Correct Answer
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Which of these is a unique characteristic of mammals?

Correct Answer
verified

An annelid does not

Correct Answer
verified

The mantle, foot, and visceral mass are all parts of an)

Correct Answer
verified

Exam 19: The Animals

Which statement is not true about invertebrate animals?

Correct AnswerverifiedA

The name Echinodermata literally means

Correct AnswerverifiedShow Answer

Which statement is not true about echinoderms?

Correct AnswerverifiedShow Answer

Which group of organisms is it believed that animals evolved from?

Correct AnswerverifiedShow Answer

Which feature places cnidarians as eumetazoans?

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

Animals are not

Correct AnswerverifiedShow Answer

Which two groups of primates share the closest ancestry?

Correct AnswerverifiedShow Answer

The closest living relatives of modern humans are

Correct AnswerverifiedShow Answer

A leech would not have

Correct AnswerverifiedShow Answer

Nephridia are found in

Correct AnswerverifiedShow Answer

Animals are thought to be most closely related to

Correct AnswerverifiedShow Answer

Which of the following are invertebrate chordates?

Correct AnswerverifiedShow Answer

Ascaris is considered to be an)

Correct AnswerverifiedA

Which feature is necessary in order to classify an organism as an ecdysozoan?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In protostome development,

Correct AnswerverifiedShow Answer

Which of these is a unique characteristic of mammals?

Correct AnswerverifiedShow Answer

An annelid does not

Correct AnswerverifiedShow Answer

The mantle, foot, and visceral mass are all parts of an)

Correct AnswerverifiedShow Answer

Correct Answer
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A

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A

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