Why is the rate of assimilation of energy at the herbivore level called secondary productivity ?
Integration rate of energy done at level of habivores is called secondary productivity because the following trophic level consumers the biomass for nutrition which is received from primary productivity obtained by autotrophs.
Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time?
Which is not a structural aspect of ecosystem?
$...A...$ is required for higher primary productivity. $...B...$ have the lowest primary productivity as the soil is deficient in moisture.
Choose the correct option for $\mathrm{A}$ and $\mathrm{B}$
Which of the following statement is not correct about energy flow in an ecosystem?
Organisms living in open sea are called