7.3 Bird Behavior

Many animals are born with a built-in knowledge called instinct.

• true

• false

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A bird's sound-producing organ is called an air sac.

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• false-syrinx

In their annual movement between habitats, birds follow the same routes, called flyways.

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• false

In order for the chicks to develop properly, birds keep their eggs warm by nesting.

• true

• false-incubation

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Birds will use rodent running to alert other birds in the area of a predator's presence and to draw a predator away from a nest.

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• false

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Look at the picture. What letter is the yolk?

• A

• B

• C

Look at the picture. What letter is the air chamber?

• B

• C

• D

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Look at the picture. What letter is the germinal spot?

• A

• B

• C

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Look at the picture. What letter is the albumen?

• D

• E

• F

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Look at the picture. What letter is the chalaza?

• A

• B

• C

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