Biology

1. Which organism in the food web above is sometimes a first-level consumer
and sometimes a second-level consumer? Explain.
2. Choose one food chain in the web. Name all the organisms in that chain.
Start with the producer and end with the top-level consumer.
3. Draw an energy pyramid for the food chain you chose. Label the pyramid to
tell how much food energy is available at each level.
Building Vocabulary
On a separate sheet of paper, write the term that fits each definition below.
4. Organisms that make their own food
5. Organisms that obtain energy by feeding on other organisms
6. Organisms that break down wastes and dead organisms and return the raw
materials to the environment
7. Consumers that eat only animals
8. Consumers that eat only plants
9. Consumers that eat both plants and animals
10. Consumers that feed on the bodies of dead organisms