7-5-1 Homeostasis and Behavior

5. anything that causes a reaction or change in an organism.
8. an organism, cell, or piece of genetic material that is genetically identical to the one from which it is derived.
9. the movement of organisms tward or away from an external stimulus.
11. the process in which a piece of DNA is modified for use in research, medicine, agriculture, or industry.
12. the movement of a plant in response to an external stimulus.
13. a chemical signal produced in one part of an organism.

1. an organism’s reaction to a stimulus.
2. the use and application of living things and biological processes.
3. when internal processes slow down during hot, dry weather.
4. maintaining a stable balance in the body.
6. a deep sleep during which an animal slows down its body processes to save energy.
7. slection the process of selecting and breeding organisms that have certain desired traits.
10. a set of actions taken by an organism in response to a stimulus.