4.2 [Pt 2] Ecological Pyramids

4.2 [Pt 2] Ecological Pyramids

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Primary producers make up the ____ st trophic level

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Pyramids of energy show the relative amount of energy available at each _____ level of a food chain or web.

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Most remaining energy is released as _______.

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What do you multiply a number by to figure out 10% ?

Multiple Choice

How much is 10% of $1.00?

• 10 cents

• 25 cents

• 50 cents

• 75 cents

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If the first trophic level has 1,500 energy units how much energy will be available to organisms in the second trophic level?

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_________- total amount of living tissues within a given trophic level

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Pyramid of biomass- model that illustrates the relative amount of living ________ matter in each trophic level of an ecosystem

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Pyramid of numbers- model that shows the relative number of individual ___________ at each trophic level in an ecosystem