Question 1

If an animal is a vertebrate,this means that the animal:

Accepted Answer

A)  Has a complete digestive tract
B)  Does not have a backbone
C)  Has a backbone
D)  Does not have a complete digestive tract
E)  Does not have true tissuesF) B) and E)
G) D) and E)

Question 2

Amphioxus is an example of a:

Accepted Answer

A)  Tunicate
B)  Hagfish
C)  Amphibian
D)  Lancelet
E)  ReptileF) A) and E)
G) A) and B)

Question 3

Which of the following are characteristics of reptiles?

Accepted Answer

A)  They have lungs
B)  They are ectotherms
C)  They have a skeleton composed of cartilage
D)  They are ectotherms with lungs
E)  They have a skeleton composed of cartilage and have lungsF) C) and E)
G) D) and E)

Question 4

The free-swimming tunicate larva resembles a tadpole.Once it settles headfirst onto a solid surface the tail and notochord disappear,and the nerve cord shrinks to nearly nothing.The adults,which are usually sessile,retain only the pharyngeal slits.Neither adult nor larva is segmented.A tunicate is in which of the following phyla?

Accepted Answer

A)  Mollusca
B)  Annelida
C)  Nematoda
D)  Chordata
E)  EchinodermataF) B) and C)
G) A) and E)

Question 5

An animal that uses one opening to take in food and eject waste most likely has which of the following?

Accepted Answer

A)  Complete digestive tract
B)  Incomplete digestive tract
C)  Gastrovascular cavity
D)  Complete digestive tract and a gastrovascular cavity
E)  Incomplete digestive tract and a gastrovascular cavityF) A) and E)
G) B) and E)

Question 6

An open circulatory system keeps blood in specialized vessels as the blood flows throughout the body.

Accepted Answer

A) True 
 B)False

Question 7

Birds that have a breastbone designed for flight are classified as:

Accepted Answer

A)  Chelicerates
B)  Carinates
C)  Ratites
D)  Mandibulates
E)  MonotremesF) A) and E)
G) A) and D)

Question 8

The free-swimming tunicate larva resembles a tadpole.Once it settles headfirst onto a solid surface the tail and notochord disappear,and the nerve cord shrinks to nearly nothing.The adults,which are usually sessile,retain only the pharyngeal slits.Neither adult nor larva is segmented.Tunicates go through which type of development?

Accepted Answer

A)  Indirect development
B)  Direct development
C)  Amniotic development
D)  Hermaphroditic development
E)  Asexual developmentF) B) and D)
G) D) and E)

Question 9

In most species,the female frog lays her eggs directly in the water as a male clasps her back and releases sperm.The fertilized eggs hatch into legless,aquatic tadpoles.Most tadpoles feed on algae,and have gills.As they mature,tadpoles develop legs and lungs,lose the tail,and acquire carnivorous tastes.The primary function of external gills in aquatic animals is to:

Accepted Answer

A)  Exchange gases with the water
B)  Transport blood
C)  Relay nerve impulses
D)  Secrete reproductive hormones
E)  Defend against invading microorganismsF) B) and E)
G) A) and C)

Question 10

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)  AsymmetricalF) A) and B)
G) A) and D)

Question 11

When Tiktaalik was under water it would take up oxygen dissolved in the water by ___________ into cells in its gills.

Accepted Answer

A)  Simple diffusion
B)  Facilitated diffusion
C)  Active transport
D)  Osmosis
E)  Facilitated transportF) B) and E)
G) A) and B)

Question 12

Sea cucumbers and sea urchins belong to the phylum:

Accepted Answer

A)  Cnidaria
B)  Arthropoda
C)  Echinodermata
D)  Nematoda
E)  MolluscaF) B) and E)
G) B) and D)

Question 13

Mammals that lay eggs are marsupials.

Accepted Answer

A) True 
 B)False

Question 14

The Platyhelminthes contain which of the following organisms?

Accepted Answer

A)  Flukes
B)  Jellyfish
C)  Sponges
D)  Insects
E)  MollusksF) D) and E)
G) B) and C)

Question 15

Flatworms are very thin and can exchange materials across their surface.Flatworms lack which of the following anatomical systems?

Accepted Answer

A)  Respiratory
B)  Nervous
C)  Digestive
D)  Movement
E)  ExcretionF) A) and B)
G) A) and C)

Question 16

Chordates have notochords and postanal tails.

Accepted Answer

A) True 
 B)False

Question 17

Flatworms have bilateral symmetry.

Accepted Answer

A) True 
 B)False

Question 18

If an animal is an invertebrate,this means that the animal:

Accepted Answer

A)  Does not have a backbone
B)  Has a backbone
C)  Has a complete digestive tract
D)  Does not have a complete digestive tract
E)  Does not have true tissuesF) B) and E)
G) C) and D)

Question 19

Leeches and earthworms belong to the phylum:

Accepted Answer

A)  Porifera
B)  Mollusca
C)  Annelida
D)  Nematoda
E)  PlatyhelminthesF) C) and D)
G) A) and C)

Question 20

Arthropods have jointed legs.

Accepted Answer

A) True 
 B)False

Exam 20: Animals

If an animal is a vertebrate,this means that the animal:

Correct Answer
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Mammals that lay eggs are marsupials.

Correct Answer
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Amphioxus is an example of a:

Correct Answer
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Leeches and earthworms belong to the phylum:

Correct Answer
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Which of the following are characteristics of reptiles?

Correct Answer
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Flatworms are very thin and can exchange materials across their surface.Flatworms lack which of the following anatomical systems?

Correct Answer
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Chordates have notochords and postanal tails.

Correct Answer
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If an animal is an invertebrate,this means that the animal:

Correct Answer
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Sea cucumbers and sea urchins belong to the phylum:

Correct Answer
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Flatworms have bilateral symmetry.

Correct Answer
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When Tiktaalik was under water it would take up oxygen dissolved in the water by ___________ into cells in its gills.

Correct Answer
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Birds that have a breastbone designed for flight are classified as:

Correct Answer
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The Platyhelminthes contain which of the following organisms?

Correct Answer
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An animal that uses one opening to take in food and eject waste most likely has which of the following?

Correct Answer
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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:

Correct Answer
verified

An open circulatory system keeps blood in specialized vessels as the blood flows throughout the body.

Correct Answer
verified

Arthropods have jointed legs.

Correct Answer
verified

Exam 20: Animals

If an animal is a vertebrate,this means that the animal:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Mammals that lay eggs are marsupials.

Correct AnswerverifiedShow Answer

Amphioxus is an example of a:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Leeches and earthworms belong to the phylum:

Correct AnswerverifiedShow Answer

Which of the following are characteristics of reptiles?

Correct AnswerverifiedShow Answer

Flatworms are very thin and can exchange materials across their surface.Flatworms lack which of the following anatomical systems?

Correct AnswerverifiedShow Answer

Chordates have notochords and postanal tails.

Correct AnswerverifiedShow Answer

If an animal is an invertebrate,this means that the animal:

Correct AnswerverifiedShow Answer

Sea cucumbers and sea urchins belong to the phylum:

Correct AnswerverifiedShow Answer

Flatworms have bilateral symmetry.

Correct AnswerverifiedShow Answer

When Tiktaalik was under water it would take up oxygen dissolved in the water by ___________ into cells in its gills.

Correct AnswerverifiedShow Answer

Birds that have a breastbone designed for flight are classified as:

Correct AnswerverifiedShow Answer

The Platyhelminthes contain which of the following organisms?

Correct AnswerverifiedShow Answer

An animal that uses one opening to take in food and eject waste most likely has which of the following?

Correct AnswerverifiedShow Answer

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:

Correct AnswerverifiedShow Answer

An open circulatory system keeps blood in specialized vessels as the blood flows throughout the body.

Correct AnswerverifiedShow Answer

Arthropods have jointed legs.

Correct AnswerverifiedShow Answer

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