Which of the following differentiates gross primary production and net primary production?</h2></div>

To which trophic level do top or ultimate carnivores belong?

Succession on sand dune is<span><br> </span></h2></div>

What does the pyramid of number and pyramid of biomass represent?

Give the existence'of carbon.</h2></div>

The ultimate source of energy in an ecosystem is</h2></div>

Which of the following climatic conditions regulate the functioning of a pond?

Which of the following ecological pyramids is generally inverted?</h2></div>