Ecology, Energy and 1st semester Review Mr. Portnoy’s Class-66 points 1. Fill out the following chart completely, including: 7 energy resources, if it causes high or low amounts of pollution (H or L), if it is cheap or expensive to build/use (C or E), if it is renewable or nonrenewable(R or N), any other advantage or disadvantage. (35 points)

Energy Pollution Cost Renewable Other advantages and disadvantages Resources Nonrenewable

2. Name each level of the energy pyramid below: (4 points)

Hawk

Snake

Mouse

Grass

3. Define erosion. ® (1 point)

4. Explain why after a fire in the summer, there can be flooding in the rainy season. ® (2 points) 5. In the food web below, what happens to the Eagle when there is a fire and the grass burns? (2 points) Hawk

Owl Fox Rabbit Snake Mouse Deer

Grass

6. Explain how an organism’s niche is determined in an ecosystem. (1 point)

7. By using the food web in #5, make it into an energy pyramid and label its parts. (5 points)

8. Explain how mountains are formed. ® (2 points)

9. What is a Volcano? ® (1 point)

10. Describe the theory of Continental Drift. ® (1 point)

11. Name 3 reasons why Wagner believed that Continental Drift is true. ® (3 points)

12. Explain the Water Cycle. ® (2 points)

13. What causes rivers to change course? ® (1 point)

14. Explain how soda is cooled by ice cubes. ® (2 points)

15. Name 4 examples of fossil fuels. (4 points)