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Science
ecology
| Term | Definition |
|---|---|
| population | a group of individuals of the same species living in a specific area |
| community | all different populations of organisms that live together in an area |
| ecosystem | a community of living organisms (biotic) interacting with their physical environment (abiotic) |
| hydro | the part of the Earth thats made of water |
| bio | part of Earth where life exists |
| atmosphere | layer of gasses surrounding the Eart |
| geosphere | solid part of the Earth: crust, mantle and core |
| abiotic | nonliving components of an ecosystem: sunlight, water, temp |
| biotic | living components of an ecosystem: plants, animals, micro organisms |
| producer | makes its own food through photosynthesis |
| consumer | an organism that obtains energy by feeding on other organisms |
| herbivore | eats only plants consumer |
| carnivore | eats only animals |
| omnivore | eats both plants and animals |
| decomposer | breaks down dead organisms and organic matter |
| autotroph | produces its own food (producer) |
| heterotroph | cannot produce its own food and obtain energy by consuming other organisms |
| niche | the role and position a species has in its environment, how it meets its needs for survival and reproduction |
| carrying capacity | the man # of individuals of a species that an environment can support |
| mutualism | a relationship between 2 organisms were both benefit +,+ |
| parasitism | relationship between 2 organisms where one benefits (parasite) and the other is harmed (host) +, - |
| commensalism | 1 benefits, other isn't affected +,0 |
| primary succession | the process of ecological succession that begins in an area where no life previously existed ex: a glacier melting |
| secondary succession | process of ecological succession that occurs in an area where a disturbance has removed the existing community but left the soil intact ex: forest fire |
| ecology | the study of interactions among and between organisms and their physical environment. |
| scavengers | consumes the carcasses of other animals ( that are already dead) |
| habitat | the general place where an organism lives |
| limiting factors | resources that can limit the population gowth |
| successsion | growth of an ecosystem |
| pioneer organisms | the 1st species colonize barren areas |
| climax community | a mature stable community that's the final stage of succession |
Created by:
28cespel