click below
click below
Normal Size Small Size show me how
Chapter 3
Interactions Among Living Things
Question | Answer |
---|---|
natural selection | a characteristic that makes an individual better suited to its enviroment |
adaptions | the behaviors and physical characteristics that allow organisms to live succesfully in thier enviroment |
niche | the role of an organism in its habitat, or how it makes it's living |
competition | the struggle between organisms to survive as they attempt to use the same limited resource |
predatation | an interaction in which one organism kills another for food |
predator | the organism that does the killing |
prey | the organism that is killed |
symboisis | a close relationship between two species that benefits at least one of the species |
mutalism | a relationship in which both species benifit |
commensalism | a relationship in which one species benefits and the other is neither harmed nor helped |
parasitism | involves one organism living on or inside another organism and harming it |
parasite | the organism that benefits |
host | the organism that it lives on or in |