Energy Transfer

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Created by: Esme.B
Created on: 22-02-18 17:16

What percentage of the Total available energy is lost in various ways?

90%

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What percentage is never taken in by organisms in the first place?

60%

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List x2 points why some available energy is never taken in by organisms in the first place?

1)Plants don't use all light energy that reaches their leaves(some wrong wave length,some is reflected+some passes straight through the leave)2)some sunlight can't be used because it hits parts of the plant that can't photosynthesise,i.e-bark of tree

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List x2 points why some available energy is never taken in by organisms in the first place?

1) some parts of food, i.e -roots + bones aren't eaten by organisms-energy not taken in pass a decomposers. 2) some parts of food are indigestible so pass through organisms and come out as waste= decomposers

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What is the name of the light taken in?

Gross productivity ( not all available to next tropic level)

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What percentage of available energy is taken in (absorbed)?

40%

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What percentage of energy is lost by 'respiratory loss' (body movement +body heat)?

30%

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What percentage of energy is stored as biomass (stored or used for growth)?

10%

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Define 'Net productivity' or (Biomass)?

Amount of energy available to the next trophic level.

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Other cards in this set

Card 2

Front

What percentage is never taken in by organisms in the first place?

Back

60%

Card 3

Front

List x2 points why some available energy is never taken in by organisms in the first place?

Back

Card 4

Front

List x2 points why some available energy is never taken in by organisms in the first place?

Back

Card 5

Front

What is the name of the light taken in?

Back

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Energy Transfer