The scientific study of interactions among organisms and between organisms and their enviorment, or surroundings.

The Biosphere contains the combined portions of the planet in which all of life exists, including land, water, and air, or atmosphere.

A group of organisims so similar to on another that they can breed and produce fertile offspring.

Groups of individuals that belong to the same species and live in the same area.

Assemblages of different populations that live together in a defined area.

A collection of all the organisims that live in a particular place, together with their non-living, or physical, enviorment.

Plants, algae, and certain bacteria that can capture energy from sunlight or chemicals and use that energy to produce food.

Organisms that rely on other organisms for their energy and food supply.

When the feeding relationships among the various organisims in an ecosystem form a network of complex interactions.

Each step in a food chain or food web.

The total amount of living tissue within a given tropic level.

When elements, chemical componds, and other forms of matter are passed from one organism to another and form one part of the biosphere to another.

All the chemical substances that an organism needs to sustain life.

Is the day to day condition on earths atmosphere at a particular time and place.

The average year after year conditions of temperature.and percipitation in a particular region.

The natural situation in which heat is retained by this layer of greenhouse gasses.

The biological influences on organisms within an ecosystem.

Physical, or non-living, factors that shape ecosystems.

The full range of physical and biological conditions in which the organism lives and the way in which the organism uses those conditions.

Occurs when a populations growth slows or stops following a period of exponential growth.

Largest number of individuals of a population that a given environment can support.

The scientific study of human populations.

Demographic Transition

Change in a population from high birth and death rates to low birth and death rates.

The development of highly productive crop strains and the use of modern agriculture techniques to increase yields of food crops.

A resource that can regenerate quickly and that is replaceable.

Harmful material that can enter the biosphere through the land, air, or water.

The sum total if the variety of organisms in the biosphere. AKA Biological Diversity.

Biological Magnification

Increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web.

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Ecology McFadin

Question	Answer
Ecology	The scientific study of interactions among organisms and between organisms and their enviorment, or surroundings.
Biosphere	The Biosphere contains the combined portions of the planet in which all of life exists, including land, water, and air, or atmosphere.
Species	A group of organisims so similar to on another that they can breed and produce fertile offspring.
Population	Groups of individuals that belong to the same species and live in the same area.
Community	Assemblages of different populations that live together in a defined area.
Ecosystem	A collection of all the organisims that live in a particular place, together with their non-living, or physical, enviorment.
Autotroph	Plants, algae, and certain bacteria that can capture energy from sunlight or chemicals and use that energy to produce food.
Heterotroph	Organisms that rely on other organisms for their energy and food supply.
Food Web	When the feeding relationships among the various organisims in an ecosystem form a network of complex interactions.
Trophic Level	Each step in a food chain or food web.
Biomass	The total amount of living tissue within a given tropic level.
Biogeochemical Cycle	When elements, chemical componds, and other forms of matter are passed from one organism to another and form one part of the biosphere to another.
Limiting Nutrient	All the chemical substances that an organism needs to sustain life.
Weather	Is the day to day condition on earths atmosphere at a particular time and place.
Climate	The average year after year conditions of temperature.and percipitation in a particular region.
Greenhouse Affect	The natural situation in which heat is retained by this layer of greenhouse gasses.
Biotic Factor	The biological influences on organisms within an ecosystem.
Abiotic Factor	Physical, or non-living, factors that shape ecosystems.
Niche	The full range of physical and biological conditions in which the organism lives and the way in which the organism uses those conditions.
Logistic Growth	Occurs when a populations growth slows or stops following a period of exponential growth.
Carrying Capacity	Largest number of individuals of a population that a given environment can support.
Demography	The scientific study of human populations.
Demographic Transition	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 yields of food crops.
Renewable Resource	A resource that can regenerate quickly and that is replaceable.
Pollutant	Harmful material that can enter the biosphere through the land, air, or water.
Biodiversity	The sum total if the variety of organisms in the biosphere. AKA Biological Diversity.
Biological Magnification	Increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web.

Created by: emcfadin

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