In ecological pyramid the base always represent the $...A...$ and the apex represents $...B...$ Here $A$ and $B$ represents
$A-$producers; $B-$top level consumers
$A-$top level consumer; $B-$producers
$A-$producers; $B-$secondary consumers
$A-$producers; $B-$primary consumers
Which of the following organisms convert plant matter into animal matter?
In forest ecosystem, fungi is grouped as
The phytoplankton in the ponds act as
Suppose $2000 \mathrm{~J}$ of solar energy is incident on green vegetation. On the basis of $10 \;\%$ law of Lindeman. Identify $A, B$ and $C$