Ecosystem Terminology

2. The area where an organism lives
6. The accumulation of seasonal weather patterns in an area over a long period of time
9. Changes in gene frequencies in a population over time
11. Total dry weight of all organisms in a particular population, sample or area
12. Process by which tissues of dead organisms break down to simplistic forms of matter
14. Provides nourishment and promotes growth
15. Relationship in which two species live closely together, usually benefiting from one another
16. An organism that consumes other organisms
18. Organism that cannot synthesize the organic nutrients it needs

1. Living factors that shape an ecosystem
3. Diversity among and within plant and animals species in an environment
4. An individual to be consumed
5. A time dependent form of learning
7. Physical, or nonliving, factor that shapes an ecosystem
8. They way an animal's body helps it to survive
10. Organisms that obtain energy directly from the nonliving environment through photosynthesis
13. An increase in chemical nutrients in the ecosystem
17. The study of interactions of organisms with their physical environment