An organisms that makes its own food.

Organisms that get their energy by eating other organisms.

Consumers that only eat producers.

Consumers that only eat other consumers.

Organisms that eat both plants and animals.

Consumers that get their food by breaking down dead organisms.

The process of breaking down food to yield energy.

A sequence in which energy is transferred from one organism to the next as each organism eats another.

The feeding relationships between organisms in an ecosystem.

A step in the transfer of energy through an ecosystem; the level of a food chain that an organism occupies.

When water moves between the earth's surface and the atmosphere in a process.

When the cloud meets cold air, the water returns to the Earth again.

Nitrogen fixing bacteria

Organisms that use nitrogen gas directly from the atmosphere are a few species of bacteria.

A regular pattern of changes over time in the types of species in a community.

The community that eventually forms if the land is left undisturbed.

Succession that occurs on a surface where an ecosystem has previously existed.

The first organisms to colonize any newly available area and start the process of succession.

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Environmental Scie3

Environmental Science

Question	Answer
Producer	An organisms that makes its own food.
Consumer	Organisms that get their energy by eating other organisms.
Herbivores	Consumers that only eat producers.
Carnivores	Consumers that only eat other consumers.
Omnivores	Organisms that eat both plants and animals.
Decomposers	Consumers that get their food by breaking down dead organisms.
Cellular respiration	The process of breaking down food to yield energy.
Food chain	A sequence in which energy is transferred from one organism to the next as each organism eats another.
Food Web	The feeding relationships between organisms in an ecosystem.
Trophic level	A step in the transfer of energy through an ecosystem; the level of a food chain that an organism occupies.
Water cycle	When water moves between the earth's surface and the atmosphere in a process.
Precipation	When the cloud meets cold air, the water returns to the Earth again.
Nitrogen fixing bacteria	Organisms that use nitrogen gas directly from the atmosphere are a few species of bacteria.
Succession	A regular pattern of changes over time in the types of species in a community.
Climax Community	The community that eventually forms if the land is left undisturbed.
Secondary Succession	Succession that occurs on a surface where an ecosystem has previously existed.
Pioneers	The first organisms to colonize any newly available area and start the process of succession.

Created by: Torie.L

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