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

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

A group of organisms so similar to 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 deginded area.

A collection of all the organisms that live in a particular place, together wth their nonliving, or physical, environment.

Capturing energy from sunlight or chemicals and useing that energy to produce food.

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

When the feeding relationships among various organisms 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 trophic level.

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

When an ecosystem is limited by a single nutrient that is scarce or cycles very slowly.

The day-to-day condition of Earth's atmosphere at a particular time and place.

The average, year to year conditions of temperature and precipitation in a partiuclar region.

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

The biological influences of organisms within an ecosystem.

Physical, or nonliving, factors that shape ecoysystems.

The full range of physical and biological conditions in which an organism l9ives and the way in which the organism uses those conditons.

Occurs when a population's growth slows or stops following a period of exponential growth.

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

The sicientific study of human populations.

Demographic Transition

A dramatic change in birth and death rates.

The development of highly productive crop strains and the use of modern agriculturaltechniques to increase uields of food crops.

They can regenerate if they are alive or can be replenished by biochemical cycles if they are nonliving.

A harmful material that can enter the biosphere throguh the land, air, or water.

The sum of total of the genetically based variety of all organisms in the biosphere.

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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Chapters 3-6 Ecology

Biology

Question	Answer
Ecology	The scientific study of interactions among organisms and between organisms and their environment, or surroundings.
Biosphere	Contains the combined portions of the planet in which all life exists, including land, water, and air, or atmosphere.
Species	A group of organisms so similar to 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 deginded area.
Ecosystem	A collection of all the organisms that live in a particular place, together wth their nonliving, or physical, environment.
Autotroph	Capturing energy from sunlight or chemicals and useing that energy to produce food.
Heterotroph	Organisms that rely on other organisms for their enegy and food supply.
Food Web	When the feeding relationships among various organisms 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 trophic level.
Biogeochemical Cycle	When elements, chemical compounds, and other forms of matter are passed from one organism to antoher and from one part of the biosphere to another.
Limiting Nutrient	When an ecosystem is limited by a single nutrient that is scarce or cycles very slowly.
Weather	The day-to-day condition of Earth's atmosphere at a particular time and place.
Climate	The average, year to year conditions of temperature and precipitation in a partiuclar region.
Green House Effect	The natural situation in which heat is retained by this layer of greenhouse gases.
Biotic Factor	The biological influences of organisms within an ecosystem.
Abiotic Factor	Physical, or nonliving, factors that shape ecoysystems.
Niche	The full range of physical and biological conditions in which an organism l9ives and the way in which the organism uses those conditons.
Logistic Growth	Occurs when a population's 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 sicientific study of human populations.
Demographic Transition	A dramatic change in birth and death rates.
Green Revolution	The development of highly productive crop strains and the use of modern agriculturaltechniques to increase uields of food crops.
Renewable Resource	They can regenerate if they are alive or can be replenished by biochemical cycles if they are nonliving.
Polluntant	A harmful material that can enter the biosphere throguh the land, air, or water.
Biodiversity	The sum of total of the genetically based variety of all organisms in the biosphere.
Biological Magnification	Increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web.

Created by: noahlawson

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