Identify the possible link “$A$” in the following food chain.
Plant $→$ Insect $→$ Frog $→$ “$A$” $→$ Eagle
Rabbit
Wolf
Cobra
Parrot
Why are oceans least productive ?
In what order do a hawk, grass and rabbit form a food chain in a meadow?
$A$ : Detritus food chain begins with detritus.
$R$ : Detrivores like fungi and bacteria are major decomposers in such food chains.
The biotic part of ecosystem includes
Energy requirement for maintenance of body _____ with successively higher trophic level.