Equations Flashcards
1
Q
energy released from food per gram
A
(mass of water (g) X temperature rise (degrees celcius) X 4.2) divided by mass of food sample (g)
2
Q
energy transfer between trophic levels
A
(energy available after the transfer divided by energy available before the transfer) X 100
3
Q
net production of consumers
A
chemical store in ingested food - (faeces + urine + respiratory losses)
4
Q
net primary productivity
A
gross primary productivity - respiratory losses
