Interactions Among Living Things

4. the behaviors and physical characteristics that allow organisms to live successfully in their environments
5. An interaction in which one organism kills another for food
7. a relationship between two species in which both species benefit
8. An organism that obtains energy by feeding on other organisms
11. A consumer that feeds on the bodies of dead organisms
12. the struggle between organisms to survive in a habitat with limited resources
15. A consumer that eats both plants and animals
16. a relationship between two organisms in which one organism benefits and the other is unaffected.
18. chain A series of steps in which organisms transfer energy by eating and being eaten
19. An organism that breaks down and obtains energy from dead organic matter

1. A consumer that eats only animals
2. a relationship in which one organism lives on or in a host and benefits from food/nutrients while harming the host.
3. A group of ecosystems with similar climates and typical organisms
6. a close relationship between two species that benefits at least one of the species.
9. Selection A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits
10. A consumer that eats only plants
13. the specific role an organism has in its habitat
14. an organism that is killed and eaten by another organism.
17. the organism that kills another organism for food or nutrients.
18. web A system of interlocking and interdependent food chains.