Ecology

3. the genetic constitution of an individual organism.
4. organism that obtain energy from the foods it consumes
6. step in a food chain
7. one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome
8. a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring
10. physical or nonliving things in an ecosystem
11. group of similar organisms that can breed and produce fertile offspring

1. organism that breaks down
2. collection of all organisms that live in a particular place
5. energy flow in a community
8. a consumer product having no brand name or registered trademark
9. a distinguishing quality or characteristic, typically one belonging to a person