Question 1

What defines radial symmetry?

Accepted Answer

A)  Any plane of symmetry passing through the center of the organism splits it into equal halves.
B)  Only five planes of symmetry passing through the center of the organism splits it into equal halves.
C)  Only one plane of symmetry splits the organism into equal halves.
D)  No planes of symmetry exist; the organism cannot be split into equal halves.E) None of the above
F) All of the above

Question 2

Humans belong to which subgroup of mammals?

Accepted Answer

A)  Marsupials
B)  Monotremes
C)  Eutherians
D)  CetaceansE) None of the above
F) B) and D)

Question 3

Serial repetition of segments is a defining characteristic of which worm phylum?

Accepted Answer

A)  Flatworms
B)  Annelids
C)  Roundworms
D)  Segmentation is not a defining characteristic of any of the worm phyla.E) A) and B)
F) A) and C)

Question 4

What is an advantage of the serial repetition of internal and external features common in some animals?

Accepted Answer

The redundancy allows for backup if one ...

Question 5

All mammals ________.

Accepted Answer

A)  give birth to live young
B)  are nocturnal
C)  have mammary glands
D)  are ectothermicE) A) and D)
F) B) and C)

Question 6

If you were to travel back in time and met a living hominin,which clues might tell you that your new friend was in the genus Australopithecus and not Homo?

Accepted Answer

A)  The hominin was bipedal.
B)  You were in Africa.
C)  The hominin had a relatively large brain.
D)  You had traveled 3 million years into the past.E) B) and D)
F) C) and D)

Question 7

What do sponges and cnidarians have in common?

Accepted Answer

A)  Organization of cells into tissues
B)  Mobility
C)  Symmetry
D)  None of theseE) A) and B)
F) A) and C) D

Question 8

Which of the following unique characteristics is found in many chordates,but not all,at some point in their development?

Accepted Answer

A)  Backbone
B)  Dorsal nerve chord
C)  Post anal tail
D)  Pharyngeal slitsE) None of the above
F) B) and C)

Question 9

Which arthropod subgroup includes the spiders?

Accepted Answer

A)  Arachnids
B)  Crustaceans
C)  Insects
D)  None of theseE) None of the above
F) B) and C)

Question 10

Which is not a primate?

Accepted Answer

A)  Lemurs
B)  Apes
C)  Monkeys
D)  All are primates.E) B) and C)
F) A) and D)

Question 11

To which group do orangutans belong?

Accepted Answer

A)  Old World monkeys
B)  New World monkeys
C)  Anthropoid apes
D)  Nonanthropoid apesE) All of the above
F) None of the above

Question 12

Although exceptions do exist,which is a distinctively amphibian trait?

Accepted Answer

A)  Juveniles have gills,adults have lungs.
B)  Respiration occurs through the skin.
C)  Skin is smooth with no scales,feathers,or hair.
D)  All of these are distinctive amphibian traits.E) B) and C)
F) B) and D)

Question 13

On which continent would you have seen the very earliest members of Homo sapiens?

Accepted Answer

A)  Europe
B)  Asia
C)  Africa
D)  AustraliaE) A) and B)
F) All of the above

Question 14

How many of the animal phyla include single-celled animals?

Accepted Answer

A)  0
B)  1
C)  2
D)  3E) None of the above
F) B) and C) A

Question 15

What happened during the Cambrian explosion?

Accepted Answer

A)  Many large volcanoes erupted.
B)  There was a large asteroid impact.
C)  There was a rapid diversification of animal forms.
D)  Animals first evolved from single-celled organisms.E) C) and D)
F) A) and B)

Question 16

How do sponges acquire their nourishment?

Accepted Answer

A)  They catch it with tentacles.
B)  They filter it from the seawater.
C)  They acquire it through photosynthesis.
D)  They synthesize it from chemicals in the water.E) None of the above
F) B) and C)

Question 17

What do sharks have in common with goldfish?

Accepted Answer

A)  Opercula
B)  A lateral line system
C)  Electrosensors
D)  A cartilaginous skeletonE) A) and D)
F) All of the above

Question 18

Which is not a reptile?

Accepted Answer

A)  Iguana
B)  Bird
C)  Salamander
D)  All are reptiles.E) B) and C)
F) A) and C) C

Question 19

Sponges are found ________.

Accepted Answer

A)  only in seawater
B)  mostly in seawater
C)  only in fresh water
D)  mostly in fresh waterE) All of the above
F) B) and C)

Question 20

What acts as both a circulatory system for gas exchange and a hydraulic system for movement in the echinoderms?

Accepted Answer

A)  Endoskeleton
B)  Water vascular system
C)  Hydrostatic skeleton
D)  Visceral massE) A) and B)
F) None of the above

Exam 10: Biodiversity 3: Animals

What defines radial symmetry?

Correct AnswerverifiedShow Answer

Humans belong to which subgroup of mammals?

Correct AnswerverifiedShow Answer

Serial repetition of segments is a defining characteristic of which worm phylum?

Correct AnswerverifiedShow Answer

What is an advantage of the serial repetition of internal and external features common in some animals?

Correct AnswerverifiedThe redundancy allows for backup if one ...View AnswerShow Answer

All mammals ________.

Correct AnswerverifiedShow Answer

If you were to travel back in time and met a living hominin,which clues might tell you that your new friend was in the genus Australopithecus and not Homo?

Correct AnswerverifiedShow Answer

What do sponges and cnidarians have in common?

Correct AnswerverifiedD

Which of the following unique characteristics is found in many chordates,but not all,at some point in their development?

Correct AnswerverifiedShow Answer

Which arthropod subgroup includes the spiders?

Correct AnswerverifiedShow Answer

Which is not a primate?

Correct AnswerverifiedShow Answer

To which group do orangutans belong?

Correct AnswerverifiedShow Answer

Although exceptions do exist,which is a distinctively amphibian trait?

Correct AnswerverifiedShow Answer

On which continent would you have seen the very earliest members of Homo sapiens?

Correct AnswerverifiedShow Answer

How many of the animal phyla include single-celled animals?

Correct AnswerverifiedA

What happened during the Cambrian explosion?

Correct AnswerverifiedShow Answer

How do sponges acquire their nourishment?

Correct AnswerverifiedShow Answer

What do sharks have in common with goldfish?

Correct AnswerverifiedShow Answer

Which is not a reptile?

Correct AnswerverifiedC

Sponges are found ________.

Correct AnswerverifiedShow Answer

What acts as both a circulatory system for gas exchange and a hydraulic system for movement in the echinoderms?

Correct AnswerverifiedShow Answer

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