Ecological Pyramids

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6 Terms

1
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Tropic levels

Steps in a food chain

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organisms

Spend energy to survive, only small portion of energy they consume is available to next tropic level

3
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First law of thermodynamics

Energy cannot be created or destroyed

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Energy

Can be transferred from one organism to another in predatory relationships (only 10%)

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Energy that is not transferred

Stays in undigested food, given off as heat

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Biomass

mass of organisms by amount of tissue, represented as a pyramid