Ecology

2. living things within an ecosystem; such as plants, animals, and bacteria.
7. an animal that naturally preys on others.
9. all of the food chains in an ecosystem
10. anything that constrains a population's size and slows or stops it from growing
11. the natural home or environment of an animal, plant, or other organism.
14. non-living components; such as water, soil and atmosphere.
16. the act or process of trying to get or win something
17. organisms that make their own food
19. animals that are killed and eaten by other animals.
20. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

1. the process of becoming less sensitive to a stimulus after repeated exposure
3. an organism that cannot produce its own food and must eat other plants and/or animals to get energy.
4. a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
5. the position of an organism in the food chain
6. animals that consume other animals to obtain nutrition from them
8. a biological community of interacting organisms and their physical environment.
12. the variety of all living things and their interactions.
13. each level in an ecosystem only gives 10% of its energy to the levels above it.
15. an innate, typically fixed pattern of behavior in animals in response to certain stimuli.
18. the total quantity or weight of organisms in a given area or volume.