Deserts can be converted into green land by </h2></div>

Gross primary productivity is the rate of productivity of _______ during photosynthesis</h2></div>

Which of the following is the decomposer of a pond ecosystem?

Ecosystem may be defined as _______.<br> </h2></div>

In "Rivet popper hypothesis " Paul Ebrlich ,the rivets on the wings represents __________ in ecosystem.</h2…

Which of the following pyramid represents the number of individuals at each level?

Energy stored at the consumer level is <span><br> </span></h2></div>

What percent of total global carbon does the atmosphere contain?