Which one of the following ecosystem types have the highest annual net primary productivity?<br> </h2></d…

In lake ecosystem, the pyramid of biomass is generally<span><br> </span></h2></div>

The species of plants that play a vital role in controlling the relative abundance of other species in a community are c…

As energy is passed from one trophic level to another, the amount of usable energy</h2></div>

Which one of the following exhibits least productivity?</h2></div>

Which of the following is formed by producers in ecosystem?</h2></div>

Whose reservoir does fossil fuel represent?

<i></i>An ecosystem, such as an aquarium, is self-sustaining if it involves the interaction between organism…