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 |