Discovery Files

These files are in PDF format.  They will open with the Preview tool on your laptop.

Food Chains and Food Webs

Vocabulary:

1) food chain

2) producer

3) consumer

4) interdependent

5) top predator

6) intermediate consumers

7) bioaccumulation

8) food web

9) photosynthesis

10) decomposers

Review Questions: (use the article we read in class to help you)

1) Describe how energy flows in food chain.

2) What is DDT?  What are some of the specific problems of its use?

3) Describe how food chains and food webs cycle and repeat themselves.

Challenge:

4) One of the key concepts of science is "Energy can not be created nor destroyed just change forms."  Explain how a food web is a good illustration of this principle.