Question 1

Mammals have a variety of teeth specialized for different functions,a pattern called

Accepted Answer

A) Heterodont. 
B) Diphyodont. 
C) Homodont. 
D) Multi-cuspid. 
E) Ambidontous. 
A) Heterodont. 
B) Diphyodont. 
C) Homodont. 
D) Multi-cuspid. 
E) Ambidontous.

Question 2

With the evolution of a new jaw joint between the dentary and squamosal (temporal)bones in mammals,bones of the previous jaw joint,the articular and quadrate continued their gradual reduction in size and became relocated.Identify what these two bones became.

Accepted Answer

With the evolution of a new jaw joint in

Question 3

Of the two kinds of mammalian sweat glands,the one that produces a watery sweat is called the ____ gland.

Accepted Answer

The answer of Of the two kinds of mammalian sweat...

Question 4

Which is NOT a correct association of mammalian glands and functions?

Accepted Answer

A) Scent glands-mark territory,defense,etc. 
B) Eccrine glands-cool by evaporation 
C) Apocrine glands-secrete a milky film in cue with the reproductive cycle 
D) Sebaceous glands-form an oil that keeps the skin pliable 
E) Mammary glands-sexual attraction 
A) Scent glands-mark territory,defense,etc. 
B) Eccrine glands-cool by evaporation 
C) Apocrine glands-secrete a milky film in cue with the reproductive cycle 
D) Sebaceous glands-form an oil that keeps the skin pliable 
E) Mammary glands-sexual attraction

Question 5

Which is NOT a correct association of ruminant stomach segment and function?

Accepted Answer

A) Abomasum-true acid stomach with proteolytic enzymes 
B) Reticulum-final chamber where undigested pulp is stored for disposal 
C) Omasum-water,soluble food,and microbial products are absorbed 
D) Rumen-first chamber where cud is formed 
E) All of the choices are correct ruminant associations 
A) Abomasum-true acid stomach with proteolytic enzymes 
B) Reticulum-final chamber where undigested pulp is stored for disposal 
C) Omasum-water,soluble food,and microbial products are absorbed 
D) Rumen-first chamber where cud is formed 
E) All of the choices are correct ruminant associations

Question 6

Discuss the relative advantages and disadvantages of placental and marsupial modes of reproduction.

Accepted Answer

Placental and marsupial modes of reprodu

Question 7

The mammal that makes one of the longest migrations to breeding areas in the Pribilof Islands is the

Accepted Answer

A) barren-ground caribou. 
B) northern fur seal. 
C) humpback whale. 
D) sperm whale. 
E) lemming. 
A) barren-ground caribou. 
B) northern fur seal. 
C) humpback whale. 
D) sperm whale. 
E) lemming.

Question 8

The fur of mammals

Accepted Answer

A) consists of underhair and guard hair. 
B) is molted twice annually in most mammals. 
C) is composed of keratin. 
D) is used for a variety of purposes such as protection,temperature regulation,etc. 
E) All of the choices are correct 
A) consists of underhair and guard hair. 
B) is molted twice annually in most mammals. 
C) is composed of keratin. 
D) is used for a variety of purposes such as protection,temperature regulation,etc. 
E) All of the choices are correct

Question 9

The red blood cells of mammals typically lack a __________.

Accepted Answer

The answer of The red blood cells of mammals typically...

Question 10

Mammals belong to an amniote lineage,the __________,characterized by a skull having a single pair of lateral openings in the skull roof.or

Accepted Answer

The answer of Mammals belong to an amniote lineage,the __________,characterized...

Question 11

Mammals began a dramatic expansion in the

Accepted Answer

A) Pleistocene. 
B) Paleocene. 
C) Oligocene. 
D) Triassic. 
E) Eocene. 
A) Pleistocene. 
B) Paleocene. 
C) Oligocene. 
D) Triassic. 
E) Eocene.

Question 12

All mammalian skin glands are derivatives of the __________.

Accepted Answer

The answer of All mammalian skin glands are derivatives of...

Question 13

Discuss the relationship between mammalian size and the amount of energy intake needed.

Accepted Answer

The relationship between mammalian size

Question 14

The smaller the mammal

Accepted Answer

A) the less oxygen it uses per gram of body weight. 
B) the lower its metabolic rate. 
C) the less food it needs to consume per gram of its body weight. 
D) the more food it needs to consume per gram of its body weight. 
E) the less it needs lungs. 
A) the less oxygen it uses per gram of body weight. 
B) the lower its metabolic rate. 
C) the less food it needs to consume per gram of its body weight. 
D) the more food it needs to consume per gram of its body weight. 
E) the less it needs lungs.

Question 15

The teeth of mammals are

Accepted Answer

A) homodont. 
B) placoid. 
C) diphyodont. 
D) polydont. 
E) continuously replaced. 
A) homodont. 
B) placoid. 
C) diphyodont. 
D) polydont. 
E) continuously replaced.

Question 16

A raccoon or bear that eats both plants and animals for food is

Accepted Answer

A) multivorous. 
B) ambivorous. 
C) carnivorous. 
D) omnivorous. 
E) facultatively herbo-carnivorous. 
A) multivorous. 
B) ambivorous. 
C) carnivorous. 
D) omnivorous. 
E) facultatively herbo-carnivorous.

Question 17

Although there are exceptions,which of the following teeth are never deciduous in most mammals?

Accepted Answer

A) Incisors 
B) Canines 
C) Premolars 
D) Molars 
E) All mammal teeth are deciduous 
A) Incisors 
B) Canines 
C) Premolars 
D) Molars 
E) All mammal teeth are deciduous

Question 18

How does a home range differ from a territory? What is the ecological significance of these two terms?

Accepted Answer

A home range is the area in which an ani

Question 19

Explain how density independent and density dependent factors differ in their effects on mammalian populations.

Accepted Answer

Density independent and density dependen

Question 20

What evidence do we have that mammary glands evolved from apocrine glands?

Accepted Answer

Mammary glands, which are specialized st

Exam 28: Mammals

Mammals have a variety of teeth specialized for different functions,a pattern called

With the evolution of a new jaw joint between the dentary and squamosal (temporal)bones in mammals,bones of the previous jaw joint,the articular and quadrate continued their gradual reduction in size and became relocated.Identify what these two bones became.

Of the two kinds of mammalian sweat glands,the one that produces a watery sweat is called the ____ gland.

Which is NOT a correct association of mammalian glands and functions?

Which is NOT a correct association of ruminant stomach segment and function?

Discuss the relative advantages and disadvantages of placental and marsupial modes of reproduction.

The mammal that makes one of the longest migrations to breeding areas in the Pribilof Islands is the

The fur of mammals

The red blood cells of mammals typically lack a __________.

Mammals belong to an amniote lineage,the __________,characterized by a skull having a single pair of lateral openings in the skull roof.or

Mammals began a dramatic expansion in the

All mammalian skin glands are derivatives of the __________.

Discuss the relationship between mammalian size and the amount of energy intake needed.

The smaller the mammal

The teeth of mammals are

A raccoon or bear that eats both plants and animals for food is

Although there are exceptions,which of the following teeth are never deciduous in most mammals?

How does a home range differ from a territory? What is the ecological significance of these two terms?

Explain how density independent and density dependent factors differ in their effects on mammalian populations.

What evidence do we have that mammary glands evolved from apocrine glands?

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectual Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Hexapods

Chaetognaths, echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Support, Protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distribution

Animal Ecology

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