Bird Characteristics

The process where bird's lose their feathers and grow a new set is called

• molting

• preening

• spawning

• incubating

Birds belong to the class

• Animalia

• Canine

• Aves

• Marsupials

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These flightless birds use their wings to swim underwater.

• ostriches

• penguins

• goslings

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What kind of food would this bird eat?

• seeds

• fish

• insects

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Birds store food in an organ called a

• stomach

• shell

• crop

Occasionally a mutation produces a bird with a new characteristic. What determines whether this bird will be the beginning of a new species?

• The bird must dominate the other birds and reduce their ability to reproduce

• The bird must be able to live in the usual environment for that fish

• The mutation must provide some type of advantage for the bird

• The mutation must make the bird very different from other fish

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When a bird uses mud and grass to build a nest, it's demonstrating...

• environmental influences

• learned behavior

• recessive traits

• instinct

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Which part of a bird's anatomy is primarily responsible for its ability to fly?

• Wings

• Beak

• Feet

• Tail

What is the primary function of a bird's feathers?

• To attract mates

• To provide insulation

• To aid in digestion

• To store food

Which bird characteristic is most important for migration?

• Color of feathers

• Size of beak

• Wing shape

• Foot structure