Across
- 2. fast local response that forms a physical barrie to prevent the spresad of infection
- 5. organism that has a spinal cord
- 9. processes the incoming information
- 10. animals that live in a multigenerational family group where sterile workers carry out tasks essential to the group and the others reproduce
- 11. muscles and glands that carry out required response to return to normal conditions
- 13. animals that do have a backbone
Down
- 1. maintains the direction of a stimulus rather than stopping it.(blood clotting)
- 3. body's ability to resist and fight infections
- 4. a change brings about a response that reverses the change (thermostat)
- 6. behavior that decreases an individuals likelihood of survival and reproduction but increases it for other groups
- 7. animals that do not have a backbone
- 8. cell that responds to a change in a specific stimulus
- 12. chemical communication signal secreted by one individual and brings about a change in another member of the same species