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Ecology Munson
Biology Flashcard
| Question | Answer |
|---|---|
| Ecology | Scientific study of interactions among organisms and their enviroment |
| Biosphere | Part of earth in which life exists including land,water and air, or atmosphere. |
| Species | Group of similar organisms that can bread and produce fertile offspring. |
| Population | Group of individuals of the same species that live in the same area. |
| Community | Assemblage of different populations that live together in a defined area. |
| Ecosystems | Collection of all organisms that live in a particular place together with their nonliving enviroment. |
| Autograph | Organisms that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compunds also called a producer |
| Heterotroph | Organisms that obtains energy from the food it consumes also called a consumer |
| Food Web | Network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem |
| Trophic Level | Step in food chain or food web |
| Biomass | Total amount of living tissue within a given trophic level |
| Biogeochemical Cycle | Process in which elements chemical compounds and other forms of matter are passed from one organism to another and from one part of a biosphere to another |
| Limiting Nutrient | Single nutriend that is either scare or cycles slowly limiting growth of other organisms in the ecosystem |
| Weather | Condition of the earths atmosphere at a particular time or place |
| Climate | Average year after year conditions of temperature and precipitation in a certain area |
| 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 organism within an ecosystem |
| Abiotic Factor | Physical, or nonliving, factor that shapes an ecosystem |
| Niche | Full range of physical and biological conditions in which an organism live and in the way in which the organism uses those conditions |
| Logistic Growth | Growth pattern in which a populations growth rates slow or stops following a period of exponetial growth |
| Carrying Capacity | Largest number of individuals of a population that a given enviroment can support |
| Demography | Scientific study of human populations |
| Demographic Transistions | Change in population from high birth and death rates to low birth and death rates |
| Green Revolution | Introduction of intensive farming practices that lead to a substance |
| Renewable Resource | Resource that can regenerate quickly and that is replaceable |
| Pollutant | Harmful material that can enter the biosphere through land, air, or water |
| Biodiversity | Biological diversity, the sum total of the variety of organisms in the biosphere |
| Biological magnification | Increasing concentration of a harmful substance in organsims at higher trophic |
Created by:
cm$nny
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