1. Chapter 16 Section 3
Types of Interactions

2. Carrying capacity: the largest populations that an environment can support at any given time.

3. Prey: an organism that is killed and eaten by another organism.

4. Predator: an organism that kills and eats all or part of another organism.

5. Symbiosis: a relationship in which 2 different organisms live in close association with each other.

6. Mutualism: a relationship between 2 species in which both species benefit.

7. Commensalism: a relationship between two organisms in which one organism benefits and the other is unaffected.

8. Parasitism: a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed.

9. A relationship between two organisms in which one benefits and the other is not affected is commensalism.

10. A resource so scarce that it limits the size of a population is a limiting factor.

11. A relationship in which two different organisms live in close association with each other is symbiosis.

12. An organism that is killed and eaten by another organism is prey.

13. A relationship between two species in which one species benefits and the other is harmed is parasitism.

14. A relationship between two species in which both species benefit is mutualism.

15. The largest population an environment can support is its carrying capacity.

16. One type of competition involves individuals competing for resources
One type of competition involves individuals competing for resources. The other involves competition between different populations.

17. Blending in with the background is called camouflage.

18. A bird eats a worm. The predator is the bird.