Ecosystem Structure and Function — MCQ Practice

Which observation describes ecosystem structure rather than a rate of ecosystem functioning?

For the same area and year, gross primary productivity is 1,200 energy units and producer respiration is 500. What is net primary productivity?

Which pair correctly separates standing crop from productivity?

Which decomposition pathway most directly returns organically bound nutrients to forms producers can use?

A wetland-restoration report records 10,000 saplings planted. Which additional observation would most strengthen a claim of ecological recovery?