Animal Structures

Some animals, such as birds, have beaks, while other animals, like horses, have large mouths with flat teeth.
The difference in these structures is most closely related to -- 

• the sounds the animals make.
• the habitat the animals live in.
• the type of offspring they have.
• the types of food these animals eat.

Some animals, such as wolves, have thick fur, while other animals, such as birds, have feathers.
The function of these body coverings is similar because of --

• their ability to hide from predators.
• the temperature of the environment they live in.
• their ability to attract the attention of the other animals.
• the types of food they eat.

The whiskers of a cheetah and the antennae of a beetle are shown in the photographs. 
How do structures like whiskers and antennae help organisms? 

• They help organisms stay warm.
• They help organisms eat food quickly.
• They help organisms defend themselves.
• They help organisms get information about their environment.

Which of the following statements correctly describes the structure that helps this animal survive in its environment? 

• thick layer of blubber
• big furry ears
• a transparent eyelid
• the ability to change colors with the seasons

Which of the following statements is correct?

• A giraffe has long legs to reach watering holes easily.
• A giraffe has a long tail to help guide him when he runs.
• A giraffe has a long tongue to reach the leaves of tall trees.
• A giraffe has a long mane down its neck to help it run faster.

Why do birds have different feet?

• They take in different amounts of oxygen, causing changes

• They are herbivores, so they have different feet

• Their internal structures are different

• Feet adaptations allow them survive in different environments

I have lungs to help me breathe in air.

I have fur to keep warm.

I have teeth to eat food.

I have claws to help me dig for food and protect myself.

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I have scratching feet to dig for food.

I have wings to fly to get food and protect myself.

I have feathers to keep me warm.

I have a beak to eat bugs or seeds.

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I have dry, scaly skin to hold moisture and stay warm.

I have claws for burrowing and digging.

I have a hard shell for shelter and protection.

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What does this animal most likely eat?

• grass

• fish

• nectar