The storage of energy at the consumer level is known as:

The amount of energy available at the secondary consumer level is referred to as which type of production?

Which of the following ecosystems has the highest productivity per unit area?

Match List-$I$ with List-$II$ :

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

Choose the correct answer from the options given below:

Which ecosystem exhibits the maximum gross primary productivity?

Arrange the following ecosystems in increasing order of mean $NPP$ (Tonnes / ha / year):
$A.$ Tropical deciduous forest
$B.$ Temperate coniferous forest
$C.$ Tropical rain forest
$D.$ Temperate deciduous forest