Topic 5 - B : Energy Transfers and Nutrient Cycles Flashcards

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1
Q

Ecosystem

A

All organisms living in an area including all the abiotic conditions

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2
Q

Biomass

A

dry mass of organism tissue

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3
Q

Calorimetry

A

method of measuring chemical energy store
burn biomass using the energy to heat water
the temperature change of the water can be used to work out the chemical energy store

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4
Q

Net primary production

A

NPP=GPP-R

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5
Q

Efficiency of energy transfer

A

Net production of trophic level/Net production of previous trophic level x100

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