click below
click below
Normal Size Small Size show me how
science/ habitat
habitat and niche
| Question | Answer |
|---|---|
| biosphere | groups of environmental communities with similar climates and ecological systems |
| ecosystem | ecological system of living things and non living thimgs |
| biome | a complex biotic community charactarized by distinctive plant and animal species and maintained under the climatic conditions of the region |
| communities | all the living things within an ecosystem |
| population | all interbreeding members of one within an ecosystem |
| habitat | the natural environment of an organism, found within an ecosystem |
| 4 components of habitats | food, water, shelter and space |
| niche | the role that an organism plays in the ecosystem- what it eats, where it lives, what it does, how it acts, how it protects itself, etc. an organism's fit into its environment |
| biodiversity | variation of living organisms within an ecosystem |
| symbiosis | relationship of 2 living organisms that live together in the same environment |
| mutualism | a symbiotic relationship in which both species benefit |
| commensilasm | a symbiotic relationship in which one species benefits and the other is unaffected |
| parasitism | a symbiotic relationship in which one species benefits and the other is harmed |
| non symbiosis | two species involved cannot live together |
| commensilasm examples | sqirrel and oak tree, hermit crab and shell, starlings and cattle |
| parasitism examples | lice and humans, fungus and trees, kudzu and native louisiana plants |
| mutualism examples | cattle egrets and cows, bees and flowers, |
| levels of organization | bioshere, ecosystem, community, population |