What is primary production?

What is primary productivity? Give brief description that affect primary productivity.

What is primary productivity? Explain the factors effecting it.

What is primary productivity? In what units could you express productivity?

Define Productivity. What is primary productivity? Give brief description of factors that affect primary productivity.

What is primary productivity? Why does it vary in different types of ecosystems?

What is primary productivity? List two factors affecting it. What is the major difference between GPP and NPP?

What is net primary productivity?

What is primary function of nuclear membrane ?

Which of the following ecosystems is most productive in terms of net primary production?