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(C) $1$. Primary productivity is defined as the amount of biomass or organic matter produced per unit area over a time period by plants during photosy

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Secondary productivity

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(C) $1$. Primary productivity is defined as the amount of biomass or organic matter produced per unit area over a time period by plants during photosynthesis.$2$. Gross primary productivity $(GPP)$ is the total rate of photosynthesis.$3$. Net primary productivity $(NPP)$ is the $GPP$ minus respiration losses $(R)$ by plants $(NPP = GPP - R)$.$4$. Secondary productivity is defined as the rate of formation of new organic matter by consumers (heterotrophs).$5$. Since primary consumers are heterotrophs that consume the biomass produced by primary producers to build their own body mass,the energy stored at their level is termed as secondary productivity.

List-$I$ (Process)	List-$II$ (Definition)
$A$. Productivity	$I$. Gross primary productivity minus respiration losses
$B$. Net primary productivity	$II$. Rate of formation of new organic matter by consumers
$C$. Gross primary productivity	$III$. Rate of biomass production
$D$. Secondary productivity	$IV$. Rate of production of organic matter during photosynthesis

The rate at which energy is stored at the level of primary consumers is known as:

Similar Questions

Gross Primary Productivity $(GPP)$ is defined as:

Why is the rate of assimilation of energy at the herbivore level called secondary productivity?

Assertion : Net primary productivity is gross primary productivity minus respiration.
Reason : Secondary productivity is produced by heterotrophs.

Which of the following produces the maximum amount of organic matter?

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