What is meant by a trophic level?</h2></div>

What is primary productivity? Why does it vary in different types of ecosystems?</h2></div>

Taking an example of a small pond, explain how the four components of an ecosystem function as a unit.</h2></di…

Identify the wrong pair of statements<br> I.During plant succession some species colonise an area and populations …

In ecotone which species become abundant?<br> </h2></div>

Secondary productivity is rate of formation of new organic matter by<span><br> </span></h2></…

Rate of conversion of light energy into chemical energy of organic molecules in an ecosystem is<span><br> &l…

What is a parasitic food chain alternatively called?