| A | B |
|---|
| Bioatic facotor | A living part of an ecosystem. |
| communiy | All the different populations that live together in an area |
| emigration | Leaving a population |
| natural selection | Process by which indivduals that are better adapted to the envirnoment are more likely to survive and reproduce than others |
| ecosytem | All the living and nonliving things that interact in an area |
| ecology | The study of how living things iteract w/ each other and their envirnoment |
| population | All the members of 1 species in a partucular area |
| immigration | Moving into a population |
| competition | the struggle b/w organims for limited resources in a habitat |
| parasitism | a rlationship in which one organism lives on or inside another and harms it. (Fleas on dog) |
| limiting factors | An envitnoment factor that prevents a population from increasing( food weather, space) |
| predation | A interaction in which 1 organsim kills and eats another( shark eating a fish) |
| habitat | The place where an organsim lives and provides the things it needs. (Rabbit lives on the forest floor) |
| Niche | An organisms particular role in an ecosystem or how it makes a living.(A bird builds a nest, lays eggs,and eats worms) |
| Mutualism | A relatioship b/w 2 species in which both species benefit. (deer and money) |
| commensalism | A relationship b/w 2 species in which 1 species benefits and the other neither is harmed nor helped.( Crab and worm) |
| abiotic factors | A nonliving part of an ecosystem. (water, sun, soil temperture, oxygen) |
