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

Imagine a newly created barren land made of igneous rocks. Some new species came, colonized and grew in this rocky area.…

A habitat not suitable for primary productivity is<span><br> </span></h2></div>

Total energy fixed by an ecosystem is<span><br> </span></h2></div>

Which is not a gaseous biogeochemical cycle<span>?<br> </span></h2></div>

The pyramid of biomass is inverted in</h2></div>

What is released as a byproduct of photosynthesis?

Write a short note on pyramid of numbers and pyramid of biomass. </h2></div>