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 . . . . . . .

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(N/A) Plants are called as $\text{autotrophs}$ because they fix carbon dioxide.
$(b)$ In an ecosystem dominated by trees,the pyramid (of numbers) is $\text{inverted}$ type.
$(c)$ In aquatic ecosystems,the limiting factor for productivity is $\text{light}$.
$(d)$ Common detritivores in our ecosystem are $\text{earthworms}$.
$(e)$ The major reservoir of carbon on Earth is $\text{oceans}$.

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