Food chain and food web review questions

FOOD CHAINS AND FOOD WEBS 

Directions: Answer the following questions.  Send to me via email at ferranta@spsd.org

Use this link: http://www.enchantedlearning.com/subjects/foodchain/

1. Why is energy important in a food chain?

2. Where do plants get their energy?

3. Where do animals get their energy?

4. Define food chain.

5. What is a primary energy source?

6. What is an example of a primary producer?

7. What is another name for primary producer?

8. After producers, what is the next link in the food chain?

9. What is the difference between a primary and secondary consumer?  Give an example of each one. 

10.  A hawk is an example of what kind of consumer?

11.  How does the flow of energy work in a food chain?

12. Describe and give an example of a decomposer.

13. What is the difference between a food chain and a food web?

14. Describe how an organisms' position in the food chain can vary.

15. What happens to energy in a food chain as it goes from one level to another?

16. Why are there more autotrophs than heterotrophs?

17.  What role does interdependence play in the food chain?

18.  Explain how herbivores and carnivores can have a relatively stable equilibrium. 

19.  Create a food chain using the biome that you researched.  Label: producer, consumer (primary, secondary, tertiary, carnivore, herbivore, autotrophs, decomposers)