Question 1

Lobe-finned fishes led to the evolution of

Accepted Answer

A)  fishes only.
B)  amphibians only.
C)  reptiles only.
D)  mammals only.
E)  amphibians,reptiles,and mammals.F) A) and B)
G) A) and D)

Question 2

Sea cucumbers and sea urchins belong to the phylum

Accepted Answer

A)  CnidariA.
B)  Arthropoda.
C)  Echinodermata.
D)  Nematoda.
E)  Mollusca.F) A) and E)
G) A) and B)

Question 3

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

Accepted Answer

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

Question 4

Cnidarian bodies are one of two forms.A(n) ______ consists of a sessile stalk with tentacles on one end.A(n) ______ is a free-swimming,bell-shaped,"tentacles-down" body form with a single opening forming the mouth.

Accepted Answer

A)  cephalization;amnion
B)  amnion;medusa
C)  amnion;polyp
D)  polyp;medusa
E)  medusa;polypF) A) and E)
G) B) and C)

Question 5

Birds are endothermic,feathered reptiles.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following characteristics do all animals share?

Accepted Answer

A)  They are single-celled eukaryotes.
B)  They are multi-cellular prokaryotes.
C)  They are multi-cellular eukaryotes.
D)  They are single-celled prokaryotes.E) C) and D)
F) B) and C)

Question 7

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) B) and C)
G) A) and C)

Question 8

How do scientists believe that an asteroid impact in the Yucatan peninsula of Central America caused a worldwide mass extinction?

Accepted Answer

A)  by blocking the sun and inhibiting photosynthesis
B)  by using up all of the oxygen in the atmosphere
C)  most of the animals in the world were in the tropics of Central America
D)  by causing massive floods
E)  by heating up the planetF) B) and E)
G) A) and E)

Question 9

Platyhelminthes include which of the following organisms?

Accepted Answer

A)  flukes
B)  jellyfish
C)  sponges
D)  insects
E)  mollusksF) A) and C)
G) B) and C)

Question 10

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 through an opening separate from that used for ingestion.Earthworms have which of the following?

Accepted Answer

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

Question 11

A tunicate is

Accepted Answer

A)  an invertebrate chordate.
B)  a vertebrate.
C)  an echinoderm.
D)  an amphibian.
E)  a fish.F) C) and D)
G) B) and D)

Question 12

Sponges belong to the phylum

Accepted Answer

A)  PoriferA.
B)  Cnidaria.
C)  Platyhelminthes.
D)  Nematoda.
E)  Annelida.F) A) and D)
G) B) and D)

Question 13

Hominines include

Accepted Answer

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

Question 14

According to the evolutionary tree,humans are descended from other groups of modern apes.

Accepted Answer

A) True 
 B)False

Question 15

Centipedes,earthworms,and roundworms all illustrate segmentation.

Accepted Answer

A) True 
 B)False

Question 16

From which group did animals likely arise 570 million years ago?

Accepted Answer

A)  protists
B)  insects
C)  fishes
D)  fungi
E)  bacteriaF) B) and C)
G) B) and D)

Question 17

Flatworms have complete digestive tracts.

Accepted Answer

A) True 
 B)False

Question 18

The type of body symmetry in which any plane passing through the body from the mouth to the opposite end divides the body into mirror images is

Accepted Answer

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

Question 19

The most successful phylum in regards to diversity and numbers is

Accepted Answer

A)  MolluscA.
B)  Nematoda.
C)  Platyhelminthes.
D)  Arthropoda.
E)  Echinodermata.F) C) and D)
G) All of the above

Question 20

Animals are very diverse.Which of the following is NOT a feature of animals?

Accepted Answer

A)  Animals are unicellular and multicellular eukaryotes.
B)  Animals consume others to obtain energy and nutrients.
C)  Animal embryos have a blastula stage.
D)  All animals are in kingdom Animalia.
E)  Animals may be invertebrates or vertebrates.F) B) and E)
G) A) and D)

Exam 17: Evolution and Diversity of Animals

Lobe-finned fishes led to the evolution of

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Centipedes,earthworms,and roundworms all illustrate segmentation.

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How do scientists believe that an asteroid impact in the Yucatan peninsula of Central America caused a worldwide mass extinction?

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Platyhelminthes include which of the following organisms?

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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 through an opening separate from that used for ingestion.Earthworms have which of the following?

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Birds are endothermic,feathered reptiles.

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The most successful phylum in regards to diversity and numbers is

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

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Hominines include

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Flatworms have complete digestive tracts.

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

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Cnidarian bodies are one of two forms.A(n) ______ consists of a sessile stalk with tentacles on one end.A(n) ______ is a free-swimming,bell-shaped,"tentacles-down" body form with a single opening forming the mouth.

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Which of the following characteristics do all animals share?

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The type of body symmetry in which any plane passing through the body from the mouth to the opposite end divides the body into mirror images is

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Sponges belong to the phylum

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According to the evolutionary tree,humans are descended from other groups of modern apes.

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Animals are very diverse.Which of the following is NOT a feature of animals?

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From which group did animals likely arise 570 million years ago?

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A tunicate is

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Sea cucumbers and sea urchins belong to the phylum

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Cnidarian bodies are one of two forms.A(n) consists of a sessile stalk with tentacles on one end.A(n) is a free-swimming,bell-shaped,"tentacles-down" body form with a single opening forming the mouth.

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