Define a sere.</h2></div>

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

What does the following pyramid represent?

The pyramid which cannot be inverted in a stable ecosystem is that of<span><br> </span></h2><…

The total solar energy converted to biomass on earth amounts to</h2></div>

Energy stored at the consumer level is <span><br> </span></h2></div>

The pyramid of number in tree ecosystem</h2></div>

Primary productivity varies from ecosystem to ecosystem. Explain? <span><br> </span></h2&g…