In the phosphorus cycle, phosphate becomes available by weathering of rocks first to
Which of the following abundantly occurs in pond ecosystem
$...A...$ 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 $\mathrm{B}$
Which of the following is producer of plant kingdom
Maximum solar energy may be trapped by