Ecology Vocabulary Set 1

2. A series of steps in which organisms transfer energy by eating and being eaten
6. The study of how living things interact with each other and their environment
8. a system of interlocking and interdependent food chains.
10. An organism that obtains energy by feeding on other organisms
13. Any living thing
14. Each step in a food chain or food web
15. the natural home or environment of an animal, plant, or other organism.
17. things an organism needs to live, grow, and reproduce
18. Number of individuals in an area of a specific size
19. Any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms.

1. A diagram that shows the amount of energy that moves from one feeding level to another in a food web
3. All the living organisms that inhabit an environment
4. An organism that can make its own food.
5. nonliving parts of an ecosystem
7. Largest number of individuals of a population that a environment can support
9. An organism that breaks down wastes and dead organisms
11. All the different populations that live together in an area
12. A group of individuals that belong to the same species and live in the same area
16. A biological community of interacting organisms and their physical environment.
20. behavior expected of an organism based on the way it obtains food and interacts with other organisms.