Question 1

Which is a characteristic of reptiles?

Accepted Answer

A)   They have gills.
B)   They are endotherms.
C)   They have skeletons composed of cartilage.
D)   They are ectotherms with lungs.
E)   They lack a coelom.F) C) and D)
G) A) and B)

Question 2

Some animals are autotrophs.

Accepted Answer

A) True 
 B)False

Question 3

How do scientists believe that an asteroid impact in the Yucatán 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) C) and D)
G) A) and E)

Question 4

Which of the following is not classified as a mammal?

Accepted Answer

A)   dolphin
B)   platypus
C)   kangaroo
D)   penguin
E)   whaleF) C) and D)
G) C) and E)

Question 5

Snails and squids belong to the phylum

Accepted Answer

A)   Cnidaria.
B)   Porifera.
C)   Platyhelminthes.
D)   Mollusca.
E)   Annelida.F) All of the above
G) A) and D)

Question 6

A circulatory system in which the heart pumps blood to tissues throughout the body cavity is a(n)

Accepted Answer

A)   closed circulatory system.
B)   gastrovascular cavity.
C)   incomplete circulatory system.
D)   complete circulatory system.
E)   open circulatory system.F) A) and B)
G) A) and E)

Question 7

A skeleton has a foramen magnum near the rear of the skull; this indicates the skeletal remains may be those of

Accepted Answer

A)   a chimpanzee.
B)   a gorilla.
C)   a chimpanzee or a gorilla.
D)   human.E) A) and B)
F) C) and D)

Question 8

Scientists use DNA to track the migration of humans across the planet.After a group migrates away from their ancestral homeland,any mutations that occur are not mixed with those left in the ancestral population.Therefore,DNA samples taken from ________ would have the most unique mutations,representing the most recent population to migrate to a new area.

Accepted Answer

A)   Africa
B)   Asia
C)   Australia
D)   Europe
E)   the AmericasF) A) and B)
G) A) and C)

Question 9

Cnidarians are animals found in ________ environments.

Accepted Answer

A)   land-dwelling
B)   tree-dwelling
C)   desert
D)   aquatic
E)   All answers are correct.F) A) and E)
G) A) and C)

Question 10

All cnidarians share the ability to do which of the following?

Accepted Answer

A)   photosynthesize
B)   secrete a thick mantle that sometimes forms a shell
C)   sting predators and prey
D)   live on land
E)   flyF) C) and D)
G) A) and B)

Question 11

Though animals are very diverse,some features are only found in nonanimals.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) A) and E)
G) C) and E)

Question 12

Segmentation is easy to observe in the cuticle of a nematode.

Accepted Answer

A) True 
 B)False

Question 13

Sharp slivers,called ________,are made of silica or calcium carbonate and provide sponges with support.

Accepted Answer

A)   spicules
B)   pores
C)   collar cells    
D)   amoebocytes
E)   No answer is correct.F) A) and C)
G) B) and E)

Question 14

A fluid-filled body cavity that forms completely within the mesoderm of animals is a

Accepted Answer

A)   coelom.
B)   blastula.
C)   pseudocoelom.
D)   protostome.
E)   deuterostome.F) C) and D)
G) A) and E)

Question 15

Which of the following does not have a true coelom?

Accepted Answer

A)   earthworm
B)   snail
C)   flatworm
D)   sea star
E)   insectF) A) and E)
G) C) and D)

Question 16

Which of the following is found in a group other than animals?

Accepted Answer

A)   They have cell walls.
B)   They have a developmental stage called a blastula.
C)   They are multicellular eukaryotes.
D)   They are heterotrophs.
E)   They secrete and bind to an extracellular matrix.F) D) and E)
G) A) and E)

Question 17

Sea cucumbers and sea urchins belong to the phylum

Accepted Answer

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

Question 18

If you had found a flattened worm with bilateral symmmetry,you would know that you had found a flatworm.

Accepted Answer

A) True 
 B)False

Question 19

Nematodes are protected from environmental hazards in part by their cuticle.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is a trait shared by mammals and reptiles that is not shared by the other groups of chordates?

Accepted Answer

A)   hair
B)   mammary glands
C)   an amnion
D)   legs
E)   lungsF) A) and E)
G) B) and D)

Exam 17: Evolution and Diversity of Animals

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

Correct Answer
verified

Sharp slivers,called ________,are made of silica or calcium carbonate and provide sponges with support.

Correct Answer
verified

Correct Answer
verified

A skeleton has a foramen magnum near the rear of the skull; this indicates the skeletal remains may be those of

Correct Answer
verified

Sea cucumbers and sea urchins belong to the phylum

Correct Answer
verified

Segmentation is easy to observe in the cuticle of a nematode.

Correct Answer
verified

A circulatory system in which the heart pumps blood to tissues throughout the body cavity is a(n)

Correct Answer
verified

Nematodes are protected from environmental hazards in part by their cuticle.

Correct Answer
verified

A fluid-filled body cavity that forms completely within the mesoderm of animals is a

Correct Answer
verified

Which of the following is a trait shared by mammals and reptiles that is not shared by the other groups of chordates?

Correct Answer
verified

Snails and squids belong to the phylum

Correct Answer
verified

All cnidarians share the ability to do which of the following?

Correct Answer
verified

Cnidarians are animals found in ________ environments.

Correct Answer
verified

Which of the following is found in a group other than animals?

Correct Answer
verified

Which of the following does not have a true coelom?

Correct Answer
verified

Some animals are autotrophs.

Correct Answer
verified

Which is a characteristic of reptiles?

Correct Answer
verified

Which of the following is not classified as a mammal?

Correct Answer
verified

Though animals are very diverse,some features are only found in nonanimals.Which of the following is not a feature of animals?

Correct Answer
verified

If you had found a flattened worm with bilateral symmmetry,you would know that you had found a flatworm.

Correct Answer
verified

Exam 17: Evolution and Diversity of Animals

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

Correct AnswerverifiedShow Answer

Sharp slivers,called ________,are made of silica or calcium carbonate and provide sponges with support.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A skeleton has a foramen magnum near the rear of the skull; this indicates the skeletal remains may be those of

Correct AnswerverifiedShow Answer

Sea cucumbers and sea urchins belong to the phylum

Correct AnswerverifiedShow Answer

Segmentation is easy to observe in the cuticle of a nematode.

Correct AnswerverifiedShow Answer

A circulatory system in which the heart pumps blood to tissues throughout the body cavity is a(n)

Correct AnswerverifiedShow Answer

Nematodes are protected from environmental hazards in part by their cuticle.

Correct AnswerverifiedShow Answer

A fluid-filled body cavity that forms completely within the mesoderm of animals is a

Correct AnswerverifiedShow Answer

Which of the following is a trait shared by mammals and reptiles that is not shared by the other groups of chordates?

Correct AnswerverifiedShow Answer

Snails and squids belong to the phylum

Correct AnswerverifiedShow Answer

All cnidarians share the ability to do which of the following?

Correct AnswerverifiedShow Answer

Cnidarians are animals found in ________ environments.

Correct AnswerverifiedShow Answer

Which of the following is found in a group other than animals?

Correct AnswerverifiedShow Answer

Which of the following does not have a true coelom?

Correct AnswerverifiedShow Answer

Some animals are autotrophs.

Correct AnswerverifiedShow Answer

Which is a characteristic of reptiles?

Correct AnswerverifiedShow Answer

Which of the following is not classified as a mammal?

Correct AnswerverifiedShow Answer

Though animals are very diverse,some features are only found in nonanimals.Which of the following is not a feature of animals?

Correct AnswerverifiedShow Answer

If you had found a flattened worm with bilateral symmmetry,you would know that you had found a flatworm.

Correct AnswerverifiedShow Answer

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