There are marry kinds of animals that live in the forest, such as mice, rabbits , squirrels and hawks. Animals in the forest depend on one another for food.

Many small forest animals. Such as mice , eat green plants for food, and then they, themselves , and eaten by larger animals . This is called a food chain.

A food chain begins with the sun, The green plants in the forest use the sun’s energy to make food for themselves, This process, or action, is called photosynthesis.

Forest plants produce flowers and seeds that ant eaten by mice and other animals. The mice get their energy from the plants, and the mice become food for a larger animals, such as the hunting hawk.. So, the energy from the sun passes from the plants to the nice to the hawk . A break in any link of this food chain means that some animals may not have enough food to live.

(   )26、Photosynthesis takes place when_______.

A. larger animals eat small animals

B. green plants use the sun’s energy to make food

C. forest animals eat the food made by green plants

D. the food chain is broken

(   )27、what is the first link in a food chain?

A. The sun   B. The earth    C. Green plants   D. Forest animals

(   )28、Animals sometimes can’t find enough food because_____.

A. it’s cloudy B. there is very little food in a forest

C. photosynthesis stops D. there is a break in the food chain

(   )29、 what does the food chain show about living things?

A. They depend on each other

B. Small animals eat as much as large animals

C. Plants with flowers are the most important

D. Plants are more than animals

(   )30、Which of the living things below fills the missing link in this food chain?

Sun’s energy ---?-----squirrels------hawks

A.     rabbits  B. mice    C. green plants   D. wolves