Interactions in the Environment Test Review

2. The ________ cycle includes condensation, evaporation, and precipitation.
3. Plants get the water they need for photosynthesis from __________.
8. A process by which plants use water, carbon dioxide, and sunlight to produce sugars.
11. A deer or a beaver is an example of a ____________.
12. An interaction between organisms that benefits them both.
16. Most of the energy that makes like possible comes from the _______.
17. A raccoon or bear is an example of a _____________.
19. A wolf or a bass is an exampole of a ___________.
20. These organisms feed off the remains of dead animals.

1. Bacteria or mold is an example of a _____________.
4. What detrivores feed off.
5. An earthworm or a beetle are examples of a _____________.
6. This type of succession would occur in an area of bare rock.
7. The over and over again movement of matter.
9. Remora fish eating a shark's food scraps is an example of ___________.
10. Ticks, leeches, and mistletoe are examples of these.
13. The interaction between organisms in an ecosystem is called ______________.
14. Oxygen, carbon dioxide, and ___________ are the three gasses that make up the air around us.
15. A food chain always ends with a ____________.
18. This type of succession would occur in an area following a forest fire.