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chapter 21 sec 3
Science
Question | Answer |
---|---|
A characteristic that makes an individual better suited to its environment and the characteristic may eventually become common in that species. | natural selection |
is a role of an organism in its habitat. | niche |
is the struggle between organisms to survive as they attempt to use the same limited resource. | competition |
an interaction in which one organism kills another for food. | predation |
the organism that does the killing. | predator |
the organism that is killed. | prey |
is a close relatinship between two species that benefits at least one of the species. | symbiosis |
is when one organism lives on or inside another organism and harms it. | parasitism |
the organism it lives on or in. | host |
the organism that benefits from living on or in another species | parasite |
a relationship in which both species benefit | mutualism |
a relationship in which one species benefits and the other species is neither helped nor harmed. | commensalism |
The behaviors and characteristics that allow organisms to live successfully in their environment | adaptaations |