Ecosystems Review

1. living or once-living parts of an ecosystem; e.g. plants and animals
7. a species that is not native to a specific area (introduced) and causes damage by reducing biodiversity
8. [food ____] a diagram that shows many interconnected food chains
9. all the living and nonliving things interacting in an area
11. nonliving parts of an ecosystem; e.g. light, temperature, precipitation
14. the study of ecosystems
15. biome with the least biodiversity
16. a group of organisms of the same species that live in the same place at the same time
18. a group of similar organisms that can breed and produce fertile offspring.
21. organism that breaks down organic material such as the remains of dead organisms and return nutrients to the environment
23. a very small specialized habitat, such as the space under a rock.
24. able to be maintained or continue for a long period of time
25. the percentage of energy that passes up to each trophic level
26. [photosynthesis energy transformation] sunlight : radiant energy :: glucose : ___ energy
28. an organism that makes its own food (often by photosynthesis); also called a producer. Ex. Plants, algae, and some bacteria
29. a diagram that shows the amount of energy available in each trophic level in an ecosystem

1. a large area with living things adapted to a specific climate
2. biome with the greatest biodiversity
3. the process by which plants use light energy to make food from water and carbon dioxide
4. the variety of living things in an ecosystem
5. the natural home or environment of an animal, plant, or other organism.
6. form of chemical energy that plants make during photosynthesis
10. an organism that consumes only other animals
12. [___ level] an organisms position on a food chain, web, or pyramid representing its feeding level
13. organism that obtains energy from the foods it consumes; also called a consumer
17. a species originally from a specific area
19. an organism that consumes only plants
20. [food ____] a diagram that shows the flow of energy from one organism to another in an ecosystem
22. an organism that eats both plants and animals
27. not changing very much