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ecology collins
bio
| Question | Answer |
|---|---|
| ecology | The scientific study of interactions among organisms and between organisms and there enviorment. |
| biosphere | part of the earth in which life exists including land, water, and air or atmosphere. |
| species | a group of similar organisms that can breed and produce fertile offspring. |
| population | a group of induviduals of the same species that live in the same area. |
| community | an assemblage of different populations that live together in a defined area. |
| ecosystem | a collection of all of the organisms that live in a particular place, together with their nonliving environment. |
| autotroph | organisms that can capture energy from sunlightor chemicals and use it to produce its own food from in organic compounds; also called a producer. |
| heterotroph | organisms that contain enrgy from the food that they eat; also called a consumer. |
| food web | a network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem. |
| trphic level | step in a food chain or food web. |
| Biomass | total amount of given tissue within a given trophic level. |
| biogeochemical cycle | process in which elemnts, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another. |
| limiting nutrient | single nutrient that eaither is scarce or cycles very slowly, limiting the growth of organisms in an ecosystem. |
| weather | condition of earths atmosphere at a particlar time and place, |
| climate | average, year after year conditions of temperature and precipitation in a particular regionj. |
| green house effect | natural situation in which heat is retained in earths atmosphere by carbon dioxide, methane, water vapor, and other gases. |
| biotic factor | biological influence on organisms whithin an acosystem. |
| abiotic factor | physical, or nonliving factor that shapes an ecosystem. |
| niche | full range of physical and biological conditions inj which an organism lives and the way in which the the organism uses those conditions. |
| logistic growth | geowth pattern in which a populations growth rate slows or stops following a periiod exponetial growth |
Created by:
cole9
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