Question 1

The placental mammals belong to the infraclass

Accepted Answer

A) Mesotheria. 
B) Metatheria. 
C) Theria. 
D) Prototheria. 
E) Eutheria. 
A) Mesotheria. 
B) Metatheria. 
C) Theria. 
D) Prototheria. 
E) Eutheria. E

Question 2

Mammalian teeth specialized for gnawing or nipping are the

Accepted Answer

A) molars. 
B) incisors. 
C) canines. 
D) premolars. 
E) fangs. 
A) molars. 
B) incisors. 
C) canines. 
D) premolars. 
E) fangs. B

Question 3

Mammalian glands called __________ glands secrete pheromones.

Accepted Answer

A) eccrine 
B) endocrine 
C) musk 
D) mammary 
E) apocrine 
A) eccrine 
B) endocrine 
C) musk 
D) mammary 
E) apocrine C

Question 4

Which of the following animals does not possess a cloaca?

Accepted Answer

A) lizard 
B) snake 
C) beaver 
D) echidna 
E) duck-billed platypus 
A) lizard 
B) snake 
C) beaver 
D) echidna 
E) duck-billed platypus

Question 5

Animals that feed primarily on arthropods and other soft-bodied invertebrates are called

Accepted Answer

A) omnivores. 
B) insectivores. 
C) sanguinivores. 
D) herbivores. 
E) carnivores. 
A) omnivores. 
B) insectivores. 
C) sanguinivores. 
D) herbivores. 
E) carnivores.

Question 6

In members of the mammalian order Carnivora,the fourth upper pre-molars and first lower molars form a scissors-like shearing surface called the

Accepted Answer

A) diastema. 
B) fangs. 
C) predatory dentition. 
D) shearing teeth. 
E) carnassial apparatus. 
A) diastema. 
B) fangs. 
C) predatory dentition. 
D) shearing teeth. 
E) carnassial apparatus.

Question 7

A mammal that feeds on the flesh of another animal is called a(n)

Accepted Answer

A) carnivore. 
B) herbivore. 
C) insectivore. 
D) omnivore. 
E) frugivore. 
A) carnivore. 
B) herbivore. 
C) insectivore. 
D) omnivore. 
E) frugivore.

Question 8

In the rodents,the teeth known as __________ grow throughout life and have enamel only on their front surfaces.

Accepted Answer

A) fangs 
B) canines 
C) tusks 
D) incisors 
E) molars 
A) fangs 
B) canines 
C) tusks 
D) incisors 
E) molars

Question 9

Specializations of the digestive tract of most herbivores reflect the difficulty of digesting foods rich in

Accepted Answer

A) plant protein. 
B) carotene. 
C) bacteria. 
D) cellulose. 
E) phytolipids. 
A) plant protein. 
B) carotene. 
C) bacteria. 
D) cellulose. 
E) phytolipids.

Question 10

A portion of the tubule system of their nephrons allows mammals to produce urine that is 2 to 22 times as concentrated as their blood.This part of the tubular system is called the

Accepted Answer

A) loop of the nephron. 
B) ureter. 
C) urethra. 
D) glomerulus. 
E) malpighian loop. 
A) loop of the nephron. 
B) ureter. 
C) urethra. 
D) glomerulus. 
E) malpighian loop.

Question 11

The protein that accumulates to form claws,horns,hooves,and nails is

Accepted Answer

A) keratin. 
B) microtubulin. 
C) sclerotin. 
D) carotene. 
E) chitin. 
A) keratin. 
B) microtubulin. 
C) sclerotin. 
D) carotene. 
E) chitin.

Question 12

__________ glands are functional in female mammals and are present,but non-functional,in males.

Accepted Answer

A) Sudoriferous 
B) Apocrine 
C) Sebaceous 
D) Mammary 
E) Eccrine 
A) Sudoriferous 
B) Apocrine 
C) Sebaceous 
D) Mammary 
E) Eccrine

Question 13

A common opening for excretory,reproductive,and digestive products is called a

Accepted Answer

A) cecum. 
B) ilium. 
C) duodenum. 
D) cloaca. 
E) carpus. 
A) cecum. 
B) ilium. 
C) duodenum. 
D) cloaca. 
E) carpus.

Question 14

Primarily grazing animals with hooves are called

Accepted Answer

A) primates. 
B) ungulates. 
C) carnivores. 
D) cetaceans. 
E) rodents. 
A) primates. 
B) ungulates. 
C) carnivores. 
D) cetaceans. 
E) rodents.

Question 15

The coat of hair on mammals is referred to as

Accepted Answer

A) under hairs. 
B) guard hairs. 
C) pelage. 
D) furrage. 
E) vibrissae. 
A) under hairs. 
B) guard hairs. 
C) pelage. 
D) furrage. 
E) vibrissae.

Question 16

Opossums belong to the group of mammals known as

Accepted Answer

A) therapsids. 
B) monotremes. 
C) cynodonts. 
D) marsupials. 
E) placentals. 
A) therapsids. 
B) monotremes. 
C) cynodonts. 
D) marsupials. 
E) placentals.

Question 17

__________ glands are associated with hair follicles and secrete oil.

Accepted Answer

A) Eccrine 
B) Sebaceous 
C) Sudoriferous 
D) Apocrine 
E) Musk 
A) Eccrine 
B) Sebaceous 
C) Sudoriferous 
D) Apocrine 
E) Musk

Question 18

In their reproductive habits,the monotremes are

Accepted Answer

A) parthenogenetic. 
B) oviparous. 
C) viviparous. 
D) ovoviviparous. 
E) marsupial. 
A) parthenogenetic. 
B) oviparous. 
C) viviparous. 
D) ovoviviparous. 
E) marsupial.

Question 19

Delayed fertilization in bats is apparently

Accepted Answer

A) necessary to ensure fertility. 
B) related to their reptilian ancestry. 
C) an adaptation to winter dormancy. 
D) a prelude to courtship. 
E) meant to ensure that multiple embryos will be formed. 
A) necessary to ensure fertility. 
B) related to their reptilian ancestry. 
C) an adaptation to winter dormancy. 
D) a prelude to courtship. 
E) meant to ensure that multiple embryos will be formed.

Question 20

The only kind of therapsids to survive the extinction event at the Permian-Triassic boundary were the

Accepted Answer

A) cynodonts. 
B) ornithischians. 
C) pelycosaurs. 
D) saurischians. 
E) thecodonts. 
A) cynodonts. 
B) ornithischians. 
C) pelycosaurs. 
D) saurischians. 
E) thecodonts.

Exam 22: Mammals: Synapsid Amniotes

The placental mammals belong to the infraclass

Mammalian teeth specialized for gnawing or nipping are the

Mammalian glands called __________ glands secrete pheromones.

Which of the following animals does not possess a cloaca?

Animals that feed primarily on arthropods and other soft-bodied invertebrates are called

In members of the mammalian order Carnivora,the fourth upper pre-molars and first lower molars form a scissors-like shearing surface called the

A mammal that feeds on the flesh of another animal is called a(n)

In the rodents,the teeth known as __________ grow throughout life and have enamel only on their front surfaces.

Specializations of the digestive tract of most herbivores reflect the difficulty of digesting foods rich in

A portion of the tubule system of their nephrons allows mammals to produce urine that is 2 to 22 times as concentrated as their blood.This part of the tubular system is called the

The protein that accumulates to form claws,horns,hooves,and nails is

__________ glands are functional in female mammals and are present,but non-functional,in males.

A common opening for excretory,reproductive,and digestive products is called a

Primarily grazing animals with hooves are called

The coat of hair on mammals is referred to as

Opossums belong to the group of mammals known as

__________ glands are associated with hair follicles and secrete oil.

In their reproductive habits,the monotremes are

Delayed fertilization in bats is apparently

The only kind of therapsids to survive the extinction event at the Permian-Triassic boundary were the

Zoology: an Evolutionary and Ecological Perspective

Cells, tissues, organs, and Organ Systems of Animals

Cell Division and Inheritance

Evolution: History and Evidence

Evolution and Gene Frequencies

Ecology: Preserving the Animal Kingdom

Animal Taxonomy, phylogeny, and Organization

Animal-Like Protists: the Protozoa

Multicellular and Tissue Levels of Organization

The Smaller Lophotrochozoan Phyla

Molluscan Success

Annelida: the Metameric Body Form

The Smaller Ecdysozoan Phyla

The Arthropods: Blueprint for Success

The Pancrustacea: Crustacea and Hexapoda

Ambulacraria: Echinoderms and Hemichordates

Chordata: Urochordata and Cephalochordata

The Fishes: Vertebrate Success in Water

Amphibians: the First Terrestrial Vertebrates

Reptiles: Diapsid Amniotes

Birds: Reptiles by Another Name

Protection, support, and Movement

Communication I: Nervous and Sensory Systems

Communication II: the Endocrine System and Chemical Messengers

Circulation and Gas Exchange

Nutrition and Digestion

Temperature and Body Fluid Regulation

Reproduction and Development

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