Lesson 16

Question 1

Why do birds migrate?

Answer 1

Birds migrate because food is scarce, not because they cannot stand the cold

Question 2

How do birds navigate during migration

Answer 2

Nocturnal migrators use the positioning of the moon and the stars. Diurnal migrators use the landscape, Earth’s magnetic field, and infrasound.

Question 3

Why do birds establish a territory?

Answer 3

Territories are established to ensure that the bird has enough food

Question 4

Name three kinds of nests.

Answer 4

minimal or ground nests, cup-shaped or saucer-shaped nests, domed nests, mud nests, or communal nests.

Question 5

What are advantages to flocking?

Answer 5

Flocking provides protection from predators and increases the chances of catching prey.

Question 6

What is the name of the #1 flyway?

Answer 6

Pacific Flyway

Question 7

What is the name of the #2 Flyway?

Answer 7

Central Flyway

Question 8

What is the name of the #3 Flyway?

Answer 8

Mississippi Flyway

Question 9

What is the name of the #4 Flyway?

Answer 9

Atlantic Flyway

Question 13

What is the egg shape of #1?

Answer 13

elliptical

Question 14

What is the egg shape of #2?

Answer 14

pyriform

Question 15

What is the egg shape of #3?

Answer 15

oval

Question 16

What is the egg shape of #4?

Answer 16

circular

Question 17

What is #1?

Answer 17

chalazae

Question 18

What is #2?

Answer 18

ovum (yolk)

Question 19

What is #3?

Answer 19

blastodisc

Question 20

What is #4?

Answer 20

albumen (white)

Question 21

What is #5?

Answer 21

air space

Question 23

Of what material is an eggshell made?

Answer 23

What are the two main parts of an egg?

Question 24

What are the two main parts of an egg?

Answer 24

The two main parts of an egg are the ovum (yolk) and albumen (white)

Question 25

Why are eggs incubated?

Answer 25

Eggs are incubated because the developing birds within are incapable of regulating their own body temperatures

Question 26

Describe a precocial chick

Answer 26

Precocial chicks are incubated longer. They are born with eyes open, covered in feathers, and ready to walk. They may leave the nest within hours of hatching and find their own food, but are protected by their parents.