GPP/NPP

Question 1

Gross primary productivity is ______ to the mass of _____ created by _______ per unit area per unit time in ______

Answer 1

Equivalent
glucose
photosynthesis
primary producers

Question 2

Net primary productivity is the gain by _______ in ______ or _______ per unit area per unit time remaining after allowing __________

Answer 2

Producers
Energy
Biomass
Respiratory losses

Question 3

What does donation do?

Answer 3

change the environmental gradient