The scientific study of the relationships that exist between the living organisms on Earth and their environment

The daily conditions that exist in the atmosphere

The average conditions (temperature, rainfall, etc) that exist in an area over a long period of time

A gas that exists in the upper atmosphere that protects life on Earth from harmful ultraviolet radiation

Chlorofluorocarbons ((CFC's)

Molecules that are released into the atmosphere that cause damage to the ozone layer

The trapping of the sun's energy in the Earth's atmosphere

The region where all life on Earth exists

All of the living organisms of an area, together with their nonliving environment

Organisms that do not regulate their internal conditions

all of the living organisms in a particular area

Organisms that are capable of using energy from the environment to make their own food

all the members of a single species

The living components of the ecosystem

The nonliving components of an ecosystem

Organisms that expend energy to regulate some or all of their internal conditions are known as

an organisms "job" or role in the ecosystem

An event that changes a community by removing organisms from the community or by altering the availability of resources in the community

Organisms that cannot make their own food, and must obtain energy from eating other organisms

A step in the food chain that indicates an organism's position in the sequence of energy transfers

Main autotrophs in the terrestrial ecosystems

Main autotrophs in aquatic ecosystems

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Reeves ES Test 2

Earth Science Vocabulary for test 2

Question	Answer
Ecology	The scientific study of the relationships that exist between the living organisms on Earth and their environment
Weather	The daily conditions that exist in the atmosphere
Climate	The average conditions (temperature, rainfall, etc) that exist in an area over a long period of time
O Zone	A gas that exists in the upper atmosphere that protects life on Earth from harmful ultraviolet radiation
Chlorofluorocarbons ((CFC's)	Molecules that are released into the atmosphere that cause damage to the ozone layer
Greenhouse	The trapping of the sun's energy in the Earth's atmosphere
Heat is transported throughout the biosphere by	winds and currents
Biosphere	The region where all life on Earth exists
Ecosystem	All of the living organisms of an area, together with their nonliving environment
Conformers	Organisms that do not regulate their internal conditions
community	all of the living organisms in a particular area
Autotrophs	Organisms that are capable of using energy from the environment to make their own food
Population	all the members of a single species
Biotic Factors	The living components of the ecosystem
Abiotic Factors	The nonliving components of an ecosystem
Regulators	Organisms that expend energy to regulate some or all of their internal conditions are known as
Habitat	an organisms address
Niche	an organisms "job" or role in the ecosystem
Disturbance	An event that changes a community by removing organisms from the community or by altering the availability of resources in the community
Heterotrophs	Organisms that cannot make their own food, and must obtain energy from eating other organisms
Trophic level	A step in the food chain that indicates an organism's position in the sequence of energy transfers
Green Plants	Main autotrophs in the terrestrial ecosystems
Algae	Main autotrophs in aquatic ecosystems

Created by: Suzi Atwood

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