In an ecosystem in abiotic components which of the following occur
Flow of energy
Cycling of materials
Consumers
Flow of energy and cycling of materials
Suppose $2000 \mathrm{~J}$ of solar energy is incident on green vegetation. On the basis of $10 \;\%$ law of Lindeman. Identify $A, B$ and $C$
Which is the correct sequence in the food chain in a grassland
$...A...$ is required for higher primary productivity. $...B...$ have the lowest primary productivity as the soil is deficient in moisture.
Choose the correct option for $\mathrm{A}$ and $\mathrm{B}$
The second trophic level in a lake is
Abyssal zone of oceans is characterized by