Question 1

The vertebral column of a bird has been modified so it is

Accepted Answer

A)  much longer and more flexible. 
B)  springy and elastic to store energy for flight. 
C)  rigid with many vertebrae fused together. 
D)  broad to assist in aerodynamic lift. 
E)  no longer connected to the ribs. 
A)  much longer and more flexible. 
B)  springy and elastic to store energy for flight. 
C)  rigid with many vertebrae fused together. 
D)  broad to assist in aerodynamic lift. 
E)  no longer connected to the ribs. C

Question 2

Many insects,most birds,a few nonavian reptiles such as the pterodactyl,and bats all can fly.What is the most correct statement concerning their relationships?

Accepted Answer

A)  Insects evolved flight independently but the pterodactyl is a probable ancestor of both the birds and bats 
B)  All four groups have wings because of a common winged ancestor 
C)  All four developed flight independently from non-winged ancestors 
D)  Insects and birds evolved flight independently but pterodactyls are the winged ancestor of bats 
E)  None of the choices are correct 
A)  Insects evolved flight independently but the pterodactyl is a probable ancestor of both the birds and bats 
B)  All four groups have wings because of a common winged ancestor 
C)  All four developed flight independently from non-winged ancestors 
D)  Insects and birds evolved flight independently but pterodactyls are the winged ancestor of bats 
E)  None of the choices are correct C

Question 3

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

Accepted Answer

crop

Question 4

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 are 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 are correct

Question 5

Newly hatched birds that lack down and are nest-bound,unable to feed on their own,as with baby wrens or robins,are

Accepted Answer

A)  altricial. 
B)  derived. 
C)  carinate. 
D)  precocial. 
E)  ratites. 
A)  altricial. 
B)  derived. 
C)  carinate. 
D)  precocial. 
E)  ratites.

Question 6

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 7

Color of feathers is due to two features,

Accepted Answer

A)  surface and underlying colors. 
B)  absorptive and reflective colors. 
C)  melanins and chromatins. 
D)  pigments and structural colors. 
E)  iridescent and structural colors. 
A)  surface and underlying colors. 
B)  absorptive and reflective colors. 
C)  melanins and chromatins. 
D)  pigments and structural colors. 
E)  iridescent and structural colors.

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

Where would you locate the Supracoracoideus and pectoralis muscles of a bird?

Accepted Answer

A)  Under its tail feathers 
B)  In the neck controlling the voice box 
C)  Anchoring a perching bird's feet an apostrophe to bird's 
D)  In the breast, where they controlling both upstroke and downstroke of the wing 
E)  In the wing itself, running along the wing bones 
A)  Under its tail feathers 
B)  In the neck controlling the voice box 
C)  Anchoring a perching bird's feet an apostrophe to bird's 
D)  In the breast, where they controlling both upstroke and downstroke of the wing 
E)  In the wing itself, running along the wing bones

Question 10

The bird that makes the longest known migrations of any bird,between the Arctic and the Antarctic,is the ______ _______.

Accepted Answer

The answer of The bird that makes the longest known...

Question 11

Which type of feather disintegrates as it grows,releasing a talc-like substance to waterproof the feathers?

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 12

The wing slots on the wings of many birds function

Accepted Answer

A)  as brakes. 
B)  in preventing or delaying stalling. 
C)  to increase speed. 
D)  to increase lift at high speeds. 
E)  in diving. 
A)  as brakes. 
B)  in preventing or delaying stalling. 
C)  to increase speed. 
D)  to increase lift at high speeds. 
E)  in diving.

Question 13

Birds have what type of red blood cells?

Accepted Answer

A)  Like mammals, birds have enucleated, biconcave erythrocytes 
B)  Unlike mammals, birds have nucleated, biconcave erythrocytes 
C)  Unlike mammals, birds have nucleated, biconvex erythrocytes 
D)  Unlike mammals, birds have enucleated, biconvex erythrocytes 
A)  Like mammals, birds have enucleated, biconcave erythrocytes 
B)  Unlike mammals, birds have nucleated, biconcave erythrocytes 
C)  Unlike mammals, birds have nucleated, biconvex erythrocytes 
D)  Unlike mammals, birds have enucleated, biconvex erythrocytes

Question 14

The famous fossil bird from the Jurassic period that proves the reptilian ancestry of birds is ____________,a name that means "ancient wing."

Accepted Answer

The answer of The famous fossil bird from the Jurassic...

Question 15

In comparing the bird circulatory system to the mammal circulatory system,the bird system has

Accepted Answer

A)  a cross vein in the neck to keep blood flowing to the brain as the head is turned. 
B)  a much faster heartbeat. 
C)  the right aortic arch, instead of the left as in mammals, leading to the dorsal aorta. 
D)  larger arteries to the wings and breast. 
E)  All of the choices are correct 
A)  a cross vein in the neck to keep blood flowing to the brain as the head is turned. 
B)  a much faster heartbeat. 
C)  the right aortic arch, instead of the left as in mammals, leading to the dorsal aorta. 
D)  larger arteries to the wings and breast. 
E)  All of the choices are correct

Question 16

Because birds lack teeth to grind up food,they possess a ____________ that accomplishes this task.

Accepted Answer

The answer of Because birds lack teeth to grind up...

Question 17

The digestive system contributes to the success of birds as flying animals because

Accepted Answer

A)  it is long. 
B)  the crop can store huge quantities of food. 
C)  it digests food quickly. 
D)  it is penetrated by air sacs. 
E)  it has a high sense of taste to reject toxic foods. 
A)  it is long. 
B)  the crop can store huge quantities of food. 
C)  it digests food quickly. 
D)  it is penetrated by air sacs. 
E)  it has a high sense of taste to reject toxic foods.

Question 18

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 19

The exchange region in the bird lung is tube-like ________ through which air flows continuously.

Accepted Answer

The answer of The exchange region in the bird lung...

Question 20

More than 90% of all birds follow a type of mating system in which an individual mates with only one partner each breeding season,called ___________.

Accepted Answer

The answer of More than 90% of all birds follow...

Exam 27: Birds

The vertebral column of a bird has been modified so it is

Many insects,most birds,a few nonavian reptiles such as the pterodactyl,and bats all can fly.What is the most correct statement concerning their relationships?

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

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

Newly hatched birds that lack down and are nest-bound,unable to feed on their own,as with baby wrens or robins,are

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

Color of feathers is due to two features,

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

Where would you locate the Supracoracoideus and pectoralis muscles of a bird?

The bird that makes the longest known migrations of any bird,between the Arctic and the Antarctic,is the ______ _______.

Which type of feather disintegrates as it grows,releasing a talc-like substance to waterproof the feathers?

The wing slots on the wings of many birds function

Birds have what type of red blood cells?

The famous fossil bird from the Jurassic period that proves the reptilian ancestry of birds is ____________,a name that means "ancient wing."

In comparing the bird circulatory system to the mammal circulatory system,the bird system has

Because birds lack teeth to grind up food,they possess a ____________ that accomplishes this task.

The digestive system contributes to the success of birds as flying animals because

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

The exchange region in the bird lung is tube-like ________ through which air flows continuously.

More than 90% of all birds follow a type of mating system in which an individual mates with only one partner each breeding season,called ___________.

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

Architectural Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Radiate Animals

Acoelomorpha,Platyzoa,and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Support, Protection, and Movement

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 Distributions

Animal Ecology

Filters

The bird that makes the longest known migrations of any bird,between the Arctic and the Antarctic,is the _.