www.youtube.com/watch?v=v6ubvEJ3KGM
Complete in your notebook.
1.Before you watch the video, what is an ecosystem in your own words?
2. Without plants there are no _________________.
3. Where does the energy to power an ecosystem come from?
4. What is the foundation upon which all other organisms get their energy? What do ecologists call these?
5. What is a primary consumer? Give an example of one.
6. What factors affect diversity(plant and animal) in an ecosystem?
7. Why is energy(calories) lost as you move up a food chain?
8. What percent of energy is lost at each trophic level?
9. After watching the video, what is an ecosystem?
10. Draw a trophic pyramid. Label each level name and draw organisms at each level.