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Ecology Last Name

Vocab.

QuestionAnswer
ECOLOGY study of interactions among organisms and their enviroment
BIOSPHERE part of Earth where life exists i.e. land, water, & air/atmostphere
SPECIES group of similar organisms who can breed
POPULATION group of species that live in the same area
COMMUNITY assembalage of diff. pops. that live together in a defined area
ECOSYSTEM collection of all organisms that live ina particular place
AUTOTROPH organism that does photosynthesis
HETEROTROPH organism that eats
FOOD WEB network of interactions formed by feeding relationships amaong the various organisms
TROPHIC LEVEL step in a food chain or food web
BIOMASS total amount of living tissue w/in a given trophic level
BIOGEOCHEMICAL CYCLE elements are passed from onee organism to the other, and one biospere to the other
LIMITING NUTRIENT single nutrient that either is scarce or grows slowly, limiting growth of organisms in an ecosystem
WEATHER condition of Earth's atmostphere at a particular time and place
CLIMATE average yaer after year temp. and prcipatation in a particular region
GREEN HOUSE EFFECT ntural situation where heat is retained in Earth's atmostphere by carbon dioxide , methane, water vapor, and other gases
BIOTIC FACTOR biological influence on organisms w/in an ecosystem
ABIOTIC FACTOR physical or nonliving factor that shapes an ecosystem
NICHE full range of physical and biological conditions in which an organism lives
LOGISTIC GROWTH growth pattern of a population
CARRYING CAPACITY largest # of individuals that an enviroment can support
DEMOGRAPHY scientific study of human pop.
DEMOGRAPHIC TRANSITION changes in a pop. in terms of birth and death rates
GREEN REVOLUTION development of modern agirculture
RENEWABLE RESOURCE recoursce that can regenerate quickly and is replacable
POLLUTANT harmful material that can enter biosphere
BIODIVERSITY sum of total organisms in bioshere
BIOLOGICAL MAGNIFACATION increasing concentration of a harmful substance in organisms at a higher trophic levels in a food chain
Created by: cedarcinamon
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