Ecosystems Flashcards

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1
Q

Define ecosystem

A

All the living organisms that interact with one another in a defined area

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2
Q

How to work out biomass at a trophic level

A

Biomass x organisms in that trophic level

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3
Q

What is the ecological efficiency?

A

The efficiency with which biomass or energy is transferred from one trophic level to the next

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4
Q

Net production = gross production - respiratory losses

A

.

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5
Q

Ecological efficiency = energy/biomass before the transfer ÷ after the transfer x 100

A

.

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6
Q

What is a decomposer?

A

An organism that turns organic compounds into inorganic ones

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7
Q

What is a detritivore?

A

Help speed up the decomposition process by feeding on dead and decaying material

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