In forest ecosystem, the pyramid of energy is</h2></div>

Biogeochemical cycle involves .......... factors.</h2></div>

In order to maintain proper ecological balance  </h2></div>

The energy pyramid is always _________-.</h2></div>

According to the researchers, what is the average price tag of these fundamental ecosystem services?

Whose population is highest in an ecosystem?

Which pyramids is always upright, can never be inverted?</h2></div>

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