Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Biology Mouchawar
biology flash cards
| Question | Answer |
|---|---|
| ecology | the scientific study of interactions among organisms and between organisms and their environment |
| biosphere | part of 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 individuals of the same species that live in the same area |
| community | an asseblage of different populations that live together in a defined area |
| ecosystem | a collection of all the organismsand between organisms and their environment |
| autotroph | an organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer |
| heterotroph | an organism that obtains energy from the foods it consumes; also called a consumer |
| food web | a network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem |
| trophic level | a step in a food chain or food web |
| biomass | total amount of living tissue within a given trophic level |
| biogeochemical cycle | a process in which elements, chemical compounds, and other forms of matter are passed from one organism to anotherand from one part of the biosphere to another |
| limiting nutrient | a single nutrient that either is scarce or cycles very slowly, limiting the growth of organisms in an ecosystem |
| weather | a condition of the Earth's atmosphere at a particular time and place |
| climate | an average; year-after-year conditions of temperature and precipitation in a particular region |
| green house effect | a natural situation in whichheat is retained in Earth's atmosphere by carbon-dioxide, methane, water vapor, and other gases |
| biotic factor | a biological influence on organisms within an ecosystem |
| abiotic factor | a physical, or nonliving, factor that shapes an ecosystem |
| niche | a full range of physical and biological conditions in which an organism lives and the way in which an organism uses those conditions |
| logistic growth | a growth pattern in which a population's growth rate slows or stops following a period of exponential growth |
| carrying capacity | the largest number of individuals of a population that a given environment can support |
| demography | the scientific study of human populations |
| demographic transition | the change in a population from high birth and death rates to low birth and death rates |
| green revolution | the development of highly productive crop strains and the use of modern agriculture techniques to increase yields of food crops |
| renewable resource | a resource that can regenerate quickly and that is replaceable |
| pollutant | a harmful material that can enter the biosphere through the land, air, or water |
| biodiversity | biological diversity; the sum total of the variety of organisms in the biosphere |
| biological magnification | the increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web |
Created by:
juliamouchawar
Popular Biology sets