Ecosystems Quiz #1

To avoid very cold temperatures when the seasons change, some animals _____.

• Become nocturnal
• Migrate 
• Use camouflage
• Use mimicry

During winter months, animals that go into a deep sleep are _____.

• Producting
• Hibernating
• Dying
• Changing

A bear that sleeps through the winter so it does not have to find food is an example of _____.

• Mimicry
• Camouflage
• Hibernation
• Migration

Which is one way humans endanger animals?

• Building national parks 
• Cleaning up environments where animals live
• Clearing rain forests
• Passing laws to control hunting

Which could happen if people introduced a new animal into an environment?

• The environment will not be affected.
• The animal uses up resources. 
• Other animals will create pollution.
• All plants and animals will live longer. 

Which is not a reason that an organism can become endangered?

• People have destroyed its environment. 
• The organism's climate has changed.
• The organism migrates in the winter. 
• Hunters have killed too many of the organism.

Which of the following is not likely to be found in a food chain of a woodland forest?

• A rabbit eats grass. 
• A hawk eats a rabbit. 
• A bear eats a fish. 
• A deer eats a fox. 

A ____________ is made up of overlapping food chains in an ecosystem.

• Food Pyramid 
• Hunting Circle
• Food Web
• Predator Map