Which one of the following is not a gaseous biogeochemical<br> cycle in ecosystem<br> <br> </h2>…

In a food chain, if the grasses produce 1000 kcal of energy, how many kcal are theoretically available to the f…

The given pyramid shows the relative biomass of zooplanktons and phytoplanktons in a marine ecosystem.<br> The bio…

Whose population is highest in an ecosystem?

The formation of a climax community from an abandoned farm land is a an example of<span><br> </span>&l…

Concept of ecological pyramid is given by </h2></div>

a. Briefly explain ecological pyramids<br> b. Define primary productivity. Give two factors which affect primary p…

Choose the correct answers from the alternatives given :<br> One of the lessons from an energy pyramid is that<…