Name: ______Number: ______Date: ______

Handout: Power Point; Communities, Biomes and Ecosystems

1. Which is larger, more complex, and more inclusive - a population or a community?

2. List in decreasing complexity, the levels of ecological biologic levels from biosphere to organism. Put a box

around those that include biotic and abiotic factors (temperature, precipitation, etc.).

3. What is a limiting factor? Give an example of a potential limiting factor in this room.

4. What is ecological succession? What are the two types of ecological succession?

5. Why does secondary succession not have a pioneer species?

6. What two abiotic factors (sometimes called climate) classify terrestrial biomes?

7. List the nine terrestrial biomes.

8. How much of the earth’s water is “fresh” water?