Animal Structures and Functions

What is an adaptation?

• A feature or behavior that helps an animal survive.

• How energy moves in a food web.

• The food that an animal eats.

• How animals evolve throughout time.

Structures that are found inside an organism's body

• internal structure

• external structure

Structures that are found outside an organism's body

• internal structures

• external structures

An example of an EXTERNAL animal structure is:

• brain

• feathers

• stomach

• lungs

An example of an INTERNAL animal structure is

• Horns

• Ears

• Brain

• Feathers

Different types of bird beaks are an example of

• food webs

• behavioral adaptations

• learned behaviors

• structural adaptations

A structural adaptation that helps an animal hide from predators is a(n)

• instinct

• mimicry

• migration

• camouflage

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.

The spotted fur of a leopard and spotted skin of a leopard gecko are shown in the photographs below. 
How do these body coverings help organisms in their environments?

• They help organisms find food.
• They help organisms look like another animal in its environment.
• They help organisms eat food quickly.
• They help organisms blend into their surroundings. 

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.