The upright pyramid of number is absent in<span><br> </span></h2></div>

In which of the following areas does the primary successions occur ?</h2></div>

To which trophic level do producers (photosynthesizers or autotrophs) belong?

What does the following pyramid represent?

<span>Define a climax community. How does a sere differ from a seral community? </span>&lt…

Some of the nutrient cycles are labeled as below. <br> Sulphur cycle (A), phosphorus cycle (B), …

Give a brief note on different bio-geochemical cycles</h2></div>

A long term global cycle which is linked by water and in<br> which sea floor rising play an important role is<b…