| __ | 1. | biotic | | A. | Of, or relating to living in water that isn't salty |
| __ | 2. | food chain | | B. | A placee in an ecosystem where a population lives |
| __ | 3. | food web | | C. | Interaction among differ food chains in a single ecosystem |
| __ | 4. | freshwater | | D. | Individuals of the same kind, living in the same environment |
| __ | 5. | grassland | | E. | A biome whose main plants are grasses |
| __ | 6. | habitat | | F. | Biome with lots of rainfall, sunlight, high temps, and trees |
| __ | 7. | herbivore | | G. | Way energy is transferred through organisms in an ecosystem |
| __ | 8. | organism | | H. | an animal that eats only plants as food |
| __ | 9. | population | | I. | A form of life, such as a plant, animal, or bacterium |
| __ | 10. | tropical rainforest | | J. | Having to do with life, living organisms |
| __ | 11. | biome | | A. | Animal that is hunted, killed and eaten by a predator animal |
| __ | 12. | carnivore | | B. | A large scale ecosystem |
| __ | 13. | community | | C. | Consumer that breaks down the tissues of dead organisms |
| __ | 14. | decomposer | | D. | Community and its physical environment, how the two interact |
| __ | 15. | ecosystem | | E. | Treeless biome between the icecap and the tree line, frozen |
| __ | 16. | energy pyramid | | F. | Energy available pass from 1 level of food chain to next |
| __ | 17. | marine/ocean | | G. | Populations of organisms living in the same environment |
| __ | 18. | predator | | H. | Relating to the sea |
| __ | 19. | prey | | I. | Animal that eats only other animals as food |
| __ | 20. | tundra | | J. | Organism that lives by preying on other organisms |
| __ | 21. | abiotic | | A. | Organism in a community that must eat to the energy it needs |
| __ | 22. | coniferous forest | | B. | Organism that makes its own food |
| __ | 23. | consumer | | C. | The role each population has in its habitat |
| __ | 24. | deciduous forest | | D. | Biome with trees that lose their leaves each fall |
| __ | 25. | desert | | E. | Organisms is likely to become extinct if steps aren't taken |
| __ | 26. | endangered species | | F. | Biome with less than 10 n of rainfall per year. Extreme temp |
| __ | 27. | estuary | | G. | Biome with mountainside forests and tall narrow trees |
| __ | 28. | niche | | H. | Nonliving thins in an ecosystem |
| __ | 29. | omnivore | | I. | Place where freshwater and salt water mix |
| __ | 30. | producer | | J. | Animal that eats both plants and animals as food |