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ecologymjolas

Biology Flashcard

QuestionAnswer
Ecology Scientific study of interactions among organisms and between organisms and their enviorments.
Biosphere Part of Earth in which life exists including land, water, and air or atmosphere.
Species Group of similar organisms that can breed and produce fertile offspring.
Population Group of individuals of the same species that live in the same area.
Community Assemblage of different populations that all live together in a defined area.
Ecosystem Collection of all organisms that live in a paticular place, together with their nonliving enviorment.
Autotroph Organisms that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds also called a producer.
heterotroph Organism that obtains energy from the foods 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 a food chain or food level.
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 organisms to another and from one part of the boisphere to another.
limiting nutrients single nutrient that either is scarce or cycles very slowly limiting the growth of organisms in the ecosystem.
weather condition of earth's atmosphere at a paticular time and place.
climate average year-after-year conditions of tempurature and precipitation in a paticular region.
green house effect natural situation in which heat is retained in earths atmosphere by carbon dioxide methane vapor and other gases.
biotic factor biolo
Ecology Scientific study of interactions among organisms and between organisms and their enviorments.
Biosphere Part of Earth in which life exists including land, water, and air or atmosphere.
Species Group of similar organisms that can breed and produce fertile offspring.
Population Group of individuals of the same species that live in the same area.
Community Assemblage of different populations that all live together in a defined area.
Ecosystem Collection of all organisms that live in a paticular place, together with their nonliving enviorment.
Autotroph Organisms that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds also called a producer.
heterotroph Organism that obtains energy from the foods 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 a food chain or food level.
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 organisms to another and from one part of the boisphere to another.
limiting nutrients single nutrient that either is scarce or cycles very slowly limiting the growth of organisms in the ecosystem.
weather condition of earth's atmosphere at a paticular time and place.
climate average year-after-year conditions of tempurature and precipitation in a paticular region.
green house effect natural situation in which heat is retained in earths atmosphere by carbon dioxide methane vapor and other gases.
biotic factor biolo
Ecology Scientific study of interactions among organisms and between organisms and their enviorments.
Biosphere Part of Earth in which life exists including land, water, and air or atmosphere.
Species Group of similar organisms that can breed and produce fertile offspring.
Population Group of individuals of the same species that live in the same area.
Community Assemblage of different populations that all live together in a defined area.
Ecosystem Collection of all organisms that live in a paticular place, together with their nonliving enviorment.
Autotroph Organisms that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds also called a producer.
heterotroph Organism that obtains energy from the foods 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 a food chain or food level.
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 organisms to another and from one part of the boisphere to another.
limiting nutrients single nutrient that either is scarce or cycles very slowly limiting the growth of organisms in the ecosystem.
weather condition of earth's atmosphere at a paticular time and place.
climate average year-after-year conditions of tempurature and precipitation in a paticular region.
green house effect natural situation in which heat is retained in earths atmosphere by carbon dioxide methane vapor and other gases.
biotic factor biological influence on organisms with 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 and the way in which the organism uses conditions.
logistic growth growth pattern in which a populations growth rate slows or stops following a period of exponential growth
carrying capacity largest number of individuals of a population that a given enviorment can support.
demography scientific study of human populations.
demographic transistion 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 the yield of field croops.
renewable rescource resource that can regenerate quickly and that is replaceable.
pollutant 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 boisphere
biological magnification increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web.
Created by: mjolas
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