click below
click below
Normal Size Small Size show me how
JIMS ecology
Term | Definition |
---|---|
ecology | the study of the interactions among organisms and their environment |
abiotic factors | the nonliving parts of the environment. |
biotic factors | the living or once living parts of the environment. |
population | all of the individuals of one species that live in the same area. |
community | the populations of different species that interact in some way |
ecosystem | all of the communities in an area and the abiotic factors they interact with. |
biosphere | the part of the Earth that supports life. |
population density | number of individuals occupy a definite area |
limiting factor | any biotic or abiotic factor that limits the number of individuals in a population |
symbiosis | any close interaction between two or more different species. |
niche | the role, or job, of an organism in the ecosystem |
habitat | a place where an organism lives |
commensalism | benefits one organism without affecting the other organism |
parasitism | relationship between two species in which one species benefits and the other is harmed. |
mutualism | relationship between two species in which both species benefit |