1. Word Bank a structure, behavior, or body process that helps an organism survive in its environment adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

2. Word Bank an animal that is adapted to feed on other animals adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

3. Word Bank the animal that a predator eats adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

4. Word Bank a model that shows how food chains in an ecosystem are connected adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

5. Word Bank an organism that makes its own energy adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

6. Word Bank an organism that eats other organisms to obtain energy adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

7. Word Bank An organism that breaks down dead organisms and returns materials to the environment adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

8. Word Bank single-celled organisms that do not have a nucleus adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

9. Word Bank members of a kingdom of mostly many- celled organisms, some of which break down other organisms; includes mushrooms, yeasts, and molds. adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

10. Word Bank a model that shows the amount of energy available at each level of an ecosystem. adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

11. Word Bank the process in which plants use energy from light to make glucose and release oxygen adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

12. Word Bank the process by which cells combine glucose for the release of energy. adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

13. Word Bank the struggle among organisms to survive in a habitat with limited resources. adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

14. Word Bank a close, long- term relationship between organisms that benefits at least one of the organisms. adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession

15. Word Bank a series of predictable changes that occur in an ecosystem over time. adaptation bacteria cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession