Water plants provide ....... to water animals.

Distinguish between:
$(a)$ Upright and inverted pyramid
$(b)$ Food chain and Food web

In hydrarch succession,the reed swamp stage is preceded by

Which of the following statements is incorrect?

The changes that occur in successive seral stages to reach a climax community are:
$I.$ Changes in the diversity of species of organisms.
$II.$ Increase in the number of species and organisms.
$III.$ Increase in the total biomass.
Choose the correct option.

Choose the correct sentence regarding the carbon cycle.