Question 1

Birds have highly developed eyes that help them

Accepted Answer

A) locate mates. 
B) fly through the air at a fast speed. 
C) locate food from a distance. 
D) avoid predators and defend territory. 
E) All of the choices are correct 
A) locate mates. 
B) fly through the air at a fast speed. 
C) locate food from a distance. 
D) avoid predators and defend territory. 
E) All of the choices are correct

Question 2

The photoreceptors in the retina that are more numerous in nocturnal birds are the __________.

Accepted Answer

The answer of The photoreceptors in the retina that are...

Question 3

Which of the following is NOT a correct association of bird nervous system and function?

Accepted Answer

A) Dorsal ventricular ridge of cerebrum-integrates eating,singing,flying 
B) Cerebellum-coordinates muscle-position,equilibrium,visual cues 
C) Pecten-controls pecking and perching 
D) Columella-transmits vibrations 
E) Optic lobes-visual associations 
A) Dorsal ventricular ridge of cerebrum-integrates eating,singing,flying 
B) Cerebellum-coordinates muscle-position,equilibrium,visual cues 
C) Pecten-controls pecking and perching 
D) Columella-transmits vibrations 
E) Optic lobes-visual associations

Question 4

The enlargement at the lower end of the esophagus that serves as a food storage chamber in birds is called the ____________.

Accepted Answer

The answer of The enlargement at the lower end of...

Question 5

If flight is such an advantage,how do we account for the evolution of flightless birds?

Accepted Answer

A) They were primitive ancestors of the winged birds 
B) Flight is costly in terms of energy so birds abandon flight if they live in areas with food and without substantial predators,such as islands 
C) This is always an inferior situation if they can't fly,so wingless birds occur only where winged birds are missing 
D) Birds give up flight if they can avoid having to lay eggs 
E) None of the choices is correct 
A) They were primitive ancestors of the winged birds 
B) Flight is costly in terms of energy so birds abandon flight if they live in areas with food and without substantial predators,such as islands 
C) This is always an inferior situation if they can't fly,so wingless birds occur only where winged birds are missing 
D) Birds give up flight if they can avoid having to lay eggs 
E) None of the choices is correct

Question 6

We don't see a crop and gizzard in many vertebrates;why do we see them in most birds?

Accepted Answer

A) Birds are more closely related to earthworms than we are and therefore did not lose this structure 
B) Any animal that eats earthworms and insects needs these organs 
C) Birds lack hands and teeth to reduce the size of food,and they need to gather food fast to avoid predators and competition 
D) The bird "crop" and "gizzard" are really just names for the stomach and intestine and therefore other vertebrates actually have them 
E) None of the choices is correct 
A) Birds are more closely related to earthworms than we are and therefore did not lose this structure 
B) Any animal that eats earthworms and insects needs these organs 
C) Birds lack hands and teeth to reduce the size of food,and they need to gather food fast to avoid predators and competition 
D) The bird "crop" and "gizzard" are really just names for the stomach and intestine and therefore other vertebrates actually have them 
E) None of the choices is correct

Question 7

Bird species outnumber species in all other vertebrate groups except the

Accepted Answer

A) mammals. 
B) reptiles. 
C) amphibians. 
D) fishes. 
A) mammals. 
B) reptiles. 
C) amphibians. 
D) fishes.

Question 8

Birds fly through the air at relatively high speeds.This is possible in part because they have

Accepted Answer

A) a crop and gizzard. 
B) highly sensitive sensory systems. 
C) less power per unit weight. 
D) ability to store large amounts of water. 
E) All of the choices are the result of having to accommodate flight 
A) a crop and gizzard. 
B) highly sensitive sensory systems. 
C) less power per unit weight. 
D) ability to store large amounts of water. 
E) All of the choices are the result of having to accommodate flight

Question 9

The stomach of a bird is comprised of the enzyme-secreting proventriculus and the muscular ____________.

Accepted Answer

The answer of The stomach of a bird is comprised...

Question 10

Which type of feathers are long and extend beyond the body for lift?

Accepted Answer

A) Altricial feathers 
B) Powder-down feathers 
C) Filoplume feathers 
D) Down feathers 
E) Flight feathers 
A) Altricial feathers 
B) Powder-down feathers 
C) Filoplume feathers 
D) Down feathers 
E) Flight feathers

Question 11

What permits the feather to "zip" and "unzip"?

Accepted Answer

A) The cohesive force of water molecules 
B) Barbules and hooks 
C) Oil from skin glands sticks the vanes together 
D) Magnetic attraction due to charges built up from the feathers rubbing against each other 
E) Bird saliva acting as a temporary glue 
A) The cohesive force of water molecules 
B) Barbules and hooks 
C) Oil from skin glands sticks the vanes together 
D) Magnetic attraction due to charges built up from the feathers rubbing against each other 
E) Bird saliva acting as a temporary glue

Question 12

Because the kidneys of sea birds don't concentrate much salt in the urine,excess sodium chloride is removed by special _______ _______ located above the bird's eyes.

Accepted Answer

The answer of Because the kidneys of sea birds don't...

Exam 27: Birds

Birds have highly developed eyes that help them

The photoreceptors in the retina that are more numerous in nocturnal birds are the __________.

Which of the following is NOT a correct association of bird nervous system and function?

The enlargement at the lower end of the esophagus that serves as a food storage chamber in birds is called the ____________.

If flight is such an advantage,how do we account for the evolution of flightless birds?

We don't see a crop and gizzard in many vertebrates;why do we see them in most birds?

Bird species outnumber species in all other vertebrate groups except the

Birds fly through the air at relatively high speeds.This is possible in part because they have

The stomach of a bird is comprised of the enzyme-secreting proventriculus and the muscular ____________.

Which type of feathers are long and extend beyond the body for lift?

What permits the feather to "zip" and "unzip"?

Because the kidneys of sea birds don't concentrate much salt in the urine,excess sodium chloride is removed by special _______ _______ located above the bird's eyes.

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

Mammals

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

Filters

Because the kidneys of sea birds don't concentrate much salt in the urine,excess sodium chloride is removed by special _ _ located above the bird's eyes.