scientific study of interactions amoung organisms.

part of earth in whichlife exists including land,water,and air.

group of similar organisms that can breed and produce fertile off spring.

group of individuals of the same species that live in the same area.

assemblage of different populations that live togetherin a defined area.

collection of all the organisms that live in a particular place.

organism that can capture energy from sunlight or chemicals and use it to produce its own food.

organisms that obtain energy from the foods it consumes.

network of complex interactions formed by the feeding relationships amoung the variuos organisms in a ecosystem.

step in a food chainor food web

total amount of living tissue within a given trophic level.

process in which elements,chemical compounds,and other forms of matter are passed from one organism to another and from one part of the biosphere to another.

single nutrient that either is scarce or cycles very slowly.

condition of earths atmosphere at a particular time and place.

average,year after year conditions of temperature and precipitation in a particular region.

natural situation in which heat is retained in earths atmosphere by carbon dioxide, methane , water vapor ,and other gases.

biological influence on organisms within an ecosystem.

physical, or nonliving, factor that shapes an ecosystem

full range of physical and biological conditions.

the growth rate decreases with increasing number of individuals until it becomes zero.

The maximum amount of current or power that can be safely handled by a wire or other component.

science of the human population.

demographic transition

Economic theory that links population changes to levels of economic, education, and healthcare.

A significant increase in agricultural productivity resulting from the introduction of high-yield varieties of grains, the use of pesticides, and improved management techniques.

any natural resource that can be replenished naturally with the passage of time.

Something that pollutes, especially a waste material that contaminates air, soil, or water.

The number and variety of organisms found within a specified geographic region.

biological magnification

The increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain.

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Question	Answer
Ecology	scientific study of interactions amoung organisms.
biosphere	part of earth in whichlife exists including land,water,and air.
species	group of similar organisms that can breed and produce fertile off spring.
population	group of individuals of the same species that live in the same area.
community	assemblage of different populations that live togetherin a defined area.
ecosystem	collection of all the organisms that live in a particular place.
autotroph	organism that can capture energy from sunlight or chemicals and use it to produce its own food.
heterotroph	organisms that obtain energy from the foods it consumes.
food web	network of complex interactions formed by the feeding relationships amoung the variuos organisms in a ecosystem.
trophic level	step in a food chainor 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 the biosphere to another.
limited nutrient	single nutrient that either is scarce or cycles very slowly.
weather	condition of earths atmosphere at a particular time and place.
climate	average,year after year conditions of temperature and precipitation in a particular region.
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 organisms within an ecosystem.
abiiotic factor	physical, or nonliving, factor that shapes an ecosystem
niche	full range of physical and biological conditions.
logistic growth	the growth rate decreases with increasing number of individuals until it becomes zero.
carrying capacity	The maximum amount of current or power that can be safely handled by a wire or other component.
demography	science of the human population.
demographic transition	Economic theory that links population changes to levels of economic, education, and healthcare.
green revolution	A significant increase in agricultural productivity resulting from the introduction of high-yield varieties of grains, the use of pesticides, and improved management techniques.
renewable resource	any natural resource that can be replenished naturally with the passage of time.
pollutant	Something that pollutes, especially a waste material that contaminates air, soil, or water.
biodiversity	The number and variety of organisms found within a specified geographic region.
biological magnification	The increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain.

Created by: matt666

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