7.1 Vocabulary

2. a forest that is humid and rainy for much of a year
5. the location in which an organism lives
6. the transfer of energy from one organism to another through a food chain or web; or the transfer of energy from one object to another, such as heat energy
9. a model that shows one set of feeding relationships among living things
11. that part of Earth in which life can exist
12. the presence of many different types of organisms in an ecosystem
13. a large category of animals without backbones that includes insects, spiders, and crustaceans
14. a major ecological community such as grassland, tropical rain forest, or desert
16. the spread of desert-like conditions often due to the actions of humans
17. (Organisms) the ability to do work or cause change; can be stored in chemicals found in food and released to the organism to do work

1. relationship between organisms in which one depends on the other
3. all the living and nonliving things that surround an organism
4. the many different types of life that exist in an environment
7. consists of living and nonliving things in their environment, that interact with each other and with their environment.
8. the various stages of an organism's development and reproduction
10. an animal's natural response to a stimulus; an inherited behavior
15. a model that shows many different feeding relationships among living things