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ecology jajonie

Bio

QuestionAnswer
ecology the scientific study of interactions among organisms and between organisms and their environments
biosphere a part of the earht in which life exists including land water and air
species a group of similair organisms that can breed together and produce fertile offspring
population a group of individuals of the same species that live in the same area
community an assemblage of differentspopulations that live together in a defined area
ecosystem a collection of all living things that live in a particular place, together with their nonliving environment
autotroph an organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compunds, also a producer
heterotroph an organism that obtains energy fromthe food it consumes, 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 web
biomass the total amount of living tissue within a given trophic level
biogeochemical cycle a process in which elements,chemical compounds, or other forms of matter are passed from 1 organism to another and from one part of the biosphere to another
limiting nutrient a single nutrient that is either scarce or cycles very slowly limiting the growth of organisms in an ecosystem
weather a condition of earths atmosphere at a particular time and place
climate average year after year conditions of tempurature and precipitation in a particular region
greenhouse effect a natural situation in which heat is retained in earths atmosphere by carbon dioxide, methane, water vapor, and other gasses
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 the organism uses thoseconditions
logistic growth a growth pattern in which a populations growth rate slows or stops following a period of exponential growth
Created by: ashtonj
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