Science

3. The place where an organism usually lives.
5. An organism that eats only plants.
7. An organism that eats both plants and animals.
11. An organism that eats animals.
13. An organism that can make its own food by using energy from its surroundings.
14. The condition in which human needs are met in such a way that a human population can survive indefinitely.
15. key An aid that is used to identify organisms and that consists of the answers to a series of questions.

1. A diagram that shows the feeding relationship between organisms in an ecosystem
2. An organism that eats other organisms or organic matter.
4. The science of describing, naming and classifying organisms.
6. The number and variety of organisms in a given area during a specific period of time.
8. Ann organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients.
9. The division of organisms into groups, or classes based on specific characteristics.
10. The pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms.
12. A community of organisms and their abiotic, or nonliving, environment.