Untitled Deck

Question 1

What types of eggs do birds lay?

Answer 1

Amniotic eggs

Question 2

List 3 characteristics of birds

Answer 2

1- Class Aves
2- lay amniotic eggs
3- good resp and circ system

Question 3

Feathers are made of ——

Answer 3

Keratin

Question 4

List the 2 main functions of feathers

Answer 4

Flight & Insulation

Question 5

When a bird fluffs its feathers, what happens?

Answer 5

It creates dead air space that traps heat.

Question 6

Name the 2 types of feathers and their benefits

Answer 6

1- Contour: covers the whole body, has shafts & barbs that branch off
2- Down: located under the contour, doesn’t have shafts and barbs, but it can trap insulation.

Question 7

What is preening?

Answer 7

It’s when the bird repairs broken links, it fixes itself, and it’s located near the base of the tail

Question 8

What is a major use of a lightweight skeleton?

Answer 8

It allows birds to fly more freely.

Question 9

Large breast muscles take up ——— % of the bird’s total weight and provide power for flight.

Answer 9

30%

Question 10

Why are birds’ bones so unique?

Answer 10

Bc they contain cavities of air

Question 11

The muscles connect the wings to the breastbone, the —–

Answer 11

STERNUM

Question 12

When a bird inhales, oxygenated air moves through the —– into the ————— —-

Answer 12

1- TRACHEA
2- POSTERIOR AIR SACS

Question 13

Birds have —- chambered hearts, the left atrium —– the blood, the right —-

Answer 13

1- 4 chambered
2- receives the blood
3- blood returning from the body

Question 14

What does the CROP do, & where is it located?

Answer 14

It stores food, it’s located at the base of the esophagus

Question 15

What is the GIZZARD?

Answer 15

It has small stones that crush the food, and it’s a thick, muscular sac

Question 16

Why are birds cerebellums large?

Answer 16

Bc they need to coordinate balance and movement during flight.

Question 17

What is the MEDULLA OBLANGATA ?

Answer 17

It controls auto functions, like the heartbeat and breathing

Question 18

How can pigeons see everything around them, including behind?

Answer 18

They have eyes on the sides of their head, and they can see 360 degrees.

Question 19

How do they reproduce? And what do they do to their eggs after birth?

Answer 19

By internal fertilization, they incubate their eggs until they hatch. (To keep them warm and safe)

Question 20

How can you distinguish the order of the bird?

Answer 20

Songs, anatomical differences, habitats, and behavior

Question 21

Birds developed froomm…

Answer 21

ARCHOSOARS