Chapter 4A Review

What is the purpose of adaptations?

• To help a living thing survive
• To balance the ecosystem
• To help things reproduce
• To make sure young are cared for

Why does a cactus plant have long shallow roots that cover a wide are?

• To spread new cactus plants
• To absorb water quickly
• To keep the plant cool
• To keep moisture inside the plant

Camouflage helps animals survive by helping them

• keep their body heat
• produce young
• hide in their surroundings
• get minerals in the soil

How do lions benefit from living in a pride?

• Working as a group makes it easier to get food. 
• Because they are in a group lions don't get lonely. 
• It is easier to protect themselves from predators.
• The older lions know where to find food. 

One way that birds care for their young is by

• teaching them how to hunt
• picking fleas out of their feathers.
• camouflaging them.
• bringing them food. 

What kind of symbiosis occurs between a cat and a flea?

• Both animals benefit
• The cat benefits and the flea is harmed.
• The flea benefits and the cat is harmed.
• The flea benefits, and the cat neither benefits nor is harmed. 

Adding harmful material to the environment is called 

• polllution
• adaptation
• extinction
• disease 

What effects does litter have on animals?

• It gives them something new to eat.
• It harms them by causing injuries.
• It makes them leave their habitat.
• It has no effect. 

Which of the following is a way people can help protect the environment?

• Bring garbage to open dumps.
• Ride in cars instead of bicycles. 
• Throw bottles and cans on to the ground.
• Take part in car pools. 

The pattern on a Timber Wolf's body helps it

• hide from predators
• sneak up on prey.
• find a mate.
• fun faster.