Energy in Ecosystems

On a separate sheet of paper answer these questions in complete sentences.

You may wish to refer to chapter 46 of the Addison-Wesley Biology book.

1. Define trophic level, producer, consumer and decomposers.
2. Define herbivore, carnivore, omnivore and scavenger.
3. Draw a food web one might find in a freshwater pond.
4. Discuss why the "10% law" will have an impact on human population growth.