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Honors Bio 1
Not cards on unit 2
| Question | Answer |
|---|---|
| Ecology | scientific study of ineractions among organisms and between organisms and their environment |
| Biosphere | part of Earth in which life exists including land, water,and air or atmosphere |
| species | group of similar organismsthat can breed and produce fertile offspring |
| populatioin | group of individuals of the same specices taht live in the same area |
| community | assemblage of different populations that live together in a defined area |
| ecosystem | collection of all the organisms that live in a particular place together with their nonliving environment |
| autotroph | an animal that uses the sun to make and use energy |
| heterotroph | an animal that eats other creature to obtain and use energy |
| food web | network of complex interactions formed by feeding relationships among various organisms |
| trophic level | step in a food chain or food web |
| biomass | total amount of living tissue with in a given trophic level |
| biogeochemical cycle | process in which elements and other compounds are past from one biosphere to another |
| limiting nutrients | single nutrients that either is scarce or cycles very slow limiting the growth of organisms in an ecosystem |
| weather | conditions of the earths atmosphere |
| climate | average of the temperature year after year in an area and the amount of precipitation |
| greenhouse effect | when heat is retained in the earths atmosphere naturally |
| biotic factor | biological influence on organisms within an ecosystem |
| abiotic factor | physical or nonliving factor that shapes and ecosystem |
| niche | full range of physical and biological change |
| logistic growth | growth patterns in which a population's growth rate stops |
| carrying capacity | largest number of individuals of a population that a given environment can support |
| demography | scientific study of human populations |
| demographic transition | change in population from high birth and death rates to low birth and death rates |
| green revolution | the development of high productive crops |
| renewable resources | resources that can regenerate quickly |
| pollutant | harmful material that can enter the biosphere |
| biodiversity | the sum of the total variety of organisms i the biosphere |
| biological magnification | increasing concentration in a specific area |
Created by:
hughcrance22
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