Test 7

Question 1

Feather and bills are made up of this substance

Answer 1

Keratin

Question 2

Hovering is what a hummingbird does when it

Answer 2

Remains stationary in the air

Question 3

The nutrient-rich fluid that feeds an unmatched chick is a

Answer 3

Yolk

Question 4

This is the region of the egg where the embryo develops

Answer 4

Germinal spot

Question 5

This is the term that describes using thermals to gain altitude without expending energy

Answer 5

Soaring

Question 6

The outermost shell of an egg is made of

Answer 6

Calcium carbonate

Question 7

Birds that catch insects in flight have this type of bill

Answer 7

Gaping

Question 8

In order for chicks to develop properly eggs need to be kept warm through this

Answer 8

Incubation

Question 9

A bird can coast “downhill” when it

Answer 9

Glides (type of flight)

Question 10

Birds that have three forward toes and one hind toe have what type of feet?

Answer 10

Perching

Question 11

Field marks are

Answer 11

Colors, patterns, and markings that are characteristic of a specific bird species

Question 12

Altricial chicks are

Answer 12

Chicks that are featherless and helpless when they hatch

Question 13

Megapodes do not

Answer 13

Provide any parental care for their young.

Question 14

The peregrine falcon is

Answer 14

The fastest flying bird

Question 15

Some birds that sit on their eggs lose feathers from ______________ to transfer heat to their eggs more effectively.

Answer 15

Brood patch

Question 16

What are the six categories of birds used by birdwatchers

Answer 16

1. Perching birds
2. Birds of prey
3. Water birds
4. Game birds
   5 flightless birds
5. Tropical birds

Question 17

What are 6 characteristics common to all members of class Aves, both living and extinct

Answer 17

Bipedal
Warm-blooded
Vertebrates
Feathers 
Scaly legs
Wings

Question 18

Birds use their gizzard to

Answer 18

Grind food and make it more easily absorbed

Question 19

Down is

Answer 19

Soft, fluffy feathers found close to a bird’s body

Question 20

A crop is

Answer 20

A food storage sac in a bird’s esophagus

Question 21

The wing bone to which the major flight muscles connect is called the

Answer 21

Humerus

Question 22

Birds use the pectoral is minor

Answer 22

To raise the wings

Question 23

The feathers extending from a bird’s “hand” to the top of its wing are called

Answer 23

Primary feathers

Question 24

A bird’s syrinx

Answer 24

Produces sound without vocal cords

Question 25

The ridge on the sternum is called

Answer 25

The keel

Question 26

The retractable group of feathers supported by a bird’s “thumb” bone is called

Answer 26

Sulla

Question 27

The contour are

Answer 27

Strong feathers found a on a bird’s body, wings, and tail

Question 28

A bird’s preen gland

Answer 28

Produces oil that birds spread over their feathers

Question 29

Many birds have this type of vision _________________. It allows each of their eyes to see a different portion of the world around them.

Answer 29

Monocular

Question 30

Flyways refer to

Answer 30

Migration routes that birds follow year after year

Question 31

Instinct refers to

Answer 31

Birds built-in knowledge

Question 32

Altitudinal migration refers to

Answer 32

When birds migrate relatively short distances by moving up and down a mountain.

Question 33

Mobbing occurs when

Answer 33

Smaller birds will harass a larger bird.

Question 34

Many birds practice dusting when they

Answer 34

Bathe without using water

Question 35

Birds use anting

Answer 35

To clean their plumage (rub ants on their feathers)

Question 36

A bird’s respiratory system is different from a mammal’s because it pumps air

Answer 36

through the lungs using expansion and contraction of the thoracic cavity by the chest muscles. Mammals use a diaphragm. This allows the bird to breathe more vigorously during flight, when they need to get oxygen.

Question 37

Another difference between a bird’s respiratory system is that a bird’s lungs have

Answer 37

Capillaries that allow air to flow straight through, unlike mammalian lungs, which have dead-end alveoli. Air travels through the lungs rather than in and out of them.

Question 38

Another difference between a bird’s respiratory system and a mammal’s is that birds have air sacs

Answer 38

For air storage, unlike mammals

Question 39

Another difference between a bird’s respiratory system and a mammal’s is that birds have air tubes that

Answer 39

Connect the air sacs to the hollow cavities of the bones

Question 40

Another difference between a bird’s respiratory system and a mammal’s is that birds inhale and exhale

Answer 40

Twice to move each breath through the respiratory system, unlike a mammal which inhales and exhales once for each breath.