surviving in ecosystems

Which of the following is an example of mimicry?

• a giraffe has a long neck to reach high leaves
• an insects body is shaped like a thorn
• a lizard changes color to blend in with its environment
• a skunk uses a strong odor to scare away predators

Plants respond to stimuli by 

• adapting to their environment
• moving to a different location
• changing their pattern of growth
• growing different types of roots

After a flood, a mouse starts to eat food it normally would not eat.  This is an example of 

• mimicry
• camouflage
• tropism
• accomodation

Why are pandas endangered?

• people destroyed most of their food supply
• they cannot protect themselves from predators
• they are unable to adapt to their environment
• they cannot learn how to use camouflage for protection

Which of the following is not an example of a camel's adaptation to desert life?  

• nostrils that can close to keep out sand
• humps that store fat for energy when food is scarce
• wide hooves to walk on sand
• camels migrate to cooler climates in the summer

When a bird flies south for the winter, it 

• hibernates
• camouflages
• migrates
• mimics

What is a tropism?

• a plant's response to its  environment
• a change in climate
• something found in the soil
• an animal's adaptation

What is an accomodation?

• an environment's response to its climate
• the buildup of pollution in an ecosystem
• a community's response to overpopulation
• an individual organisms response to change

If a species is endangered, then it may 

• find a new place to live
• adapt to a new ecosystem
• become extinct
• change its food source

Plants have tropisms to all of the following except 

• light
• water
• chemicals
• odors