Needs & Adaptations Study Guide

A chameleon can change colors to match its surroundings. This ability helps the chameleon survive because it can _____.

• stay warm
• find a mate 
• hunt for food 
• be easily seen 

Which sea otter behavior is learned?

• using fur to trap air for warmth
• cracking open clams with a rock
• nursing its young for six months
• closing its ears under water

Several kinds of birds live on a small island. A storm destroys most of the plants on which the birds feed and build their nests. Which kind of bird is most likely going to survive on the island?

• the birds that have the greatest number
• the birds that are most able to adapt
• the birds that can fly the farthest
• the birds with the strongest beaks

Which could help animals survive in areas that have many wildfires?

• using camouflage
• traveling in herds
• going underground
• hunting at night 

Perry studies the ways in which animals are adapted for survival. Which is a behavioral adaptation that helps the organism survive?

• the long neck on a giraffe
• the webbed feet on a duck
• a bear hibernating in winter
• a flower attracting a honeybee

Which is a learned behavior?

• a dog uses its tongue to drink
• a robin holds a branch with its feet
• a chimpanzee digs for termites with a stick 
• a worm moves to the top of flooded ground 

Which will most likely occur during winter in the United States?

• Snakes will build nests in other places.
• Birds will migrate to the north.
• Frogs will search for a mate.
• Bats will hibernate in caves.

An animal that could best survive in an ecosystem with limited food sources is one that 

• can eat a variety of things.
• has sharp teeth and claws.
• can grow and reproduce quickly.
• does not need to drink water.

Which description is an example of camouflage?

• plant leaves closing up when touched
• butterflies migrating south for the winte
• green insects sitting on green leaves
• earthworms moving through soil

Toads lay their eggs in ponds. Tadpoles hatch from the eggs and eat the plants floating in the pond. Which resource is most important for toads to survive?

• grass
• rocks
• trees
• water