Identify the group of herbivores from the following that are included as primary consumers in an ecosystem.

Fill in the blanks.
$(a)$ Plants are called as . . . . . . because they fix carbon dioxide.
$(b)$ In an ecosystem dominated by trees,the pyramid (of numbers) is . . . . . . type.
$(c)$ In aquatic ecosystems,the limiting factor for the productivity is . . . . . . .
$(d)$ Common detritivores in our ecosystem are . . . . . . .
$(e)$ The major reservoir of carbon on earth is . . . . . . .

Which of the following statements is incorrect?

Identify the mismatched pair.

Succession on a secondary bare area is known as:

Maximum biomass and variable organisms are found in