| A | B |
|---|
| chlorophyll | the greeen substance produced by plant leaves |
| photosynthesis | plants use sunlight to make sugars |
| consumers | animals that depend on producers for food |
| producers | organisms at the beginning of all food chains |
| decomposers | living organisms that break down dead organisms |
| food web | flow of energy and materials through connected food chains |
| pollution | adding harmful substances to a community |
| prey | an animal that is hunted and killed for food |
| a food web | What changes the number of producers or consumers in a community? |
| They return material to the chain. | Why are decomposers important to the food chain? |
| lettuce-rabbit-fox | What is the correct order of an example of a food chain? |
| The number of producers will get smaller | What would happen if many producers in a communty die? |
| drought | One way nature effects food webs. |
| wildfire | Another way nature effects food webs. |
| drought | Another way nature effects food webs. |
| trees | People change food webs by removing _________, which forces many animals to move to another place. |
| pollution | _________also changes food webs by harming food and water supplies. |
| People change food webs when they build up the ________ and allow water to drain off. | land |
