Definitions / Explanation :

$(i)$ Saprotrophs

$(ii)$ Trophic level

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The organisms which get nutrition by decomposition dead remains or dead organic matter.

Based on the source of their nutrition or food organisms occupy a specific place in the food chain that is known as their trophic level.

Similar Questions

Match the following:

Trophic levels Examples
$(A)$ First $(a)$ Mon
$(B)$ Second $(b)$ Wolf
$(C)$ Third $(c)$ Cow
$(D)$ Fourth $(d)$ Phytoplankton

A plant being eaten by a herbivorous which in turn is eaten by a carnivorous makes

  • [AIPMT 2002]

The second trophic level in a lake is

It is included in tertiary consumer.

$...A...$ 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 $\mathrm{B}$