Food and energy relationships among living components of ecosystem is generally referred as
Biocoenosis
Microcosm
Bioenergetic approach
None of the above
Food levels in an ecosystem are called
Assertion : A network of food chains existing together in an ecosystem is known as food web.
Reason : An animal like kite cannot be a part of a food web.
Energy requirement for maintenance of body _____ with successively higher trophic level.
$A$ : Detritus food chain begins with detritus.
$R$ : Detrivores like fungi and bacteria are major decomposers in such food chains.
The food chain in which microbes split energy rich compounds of the producer community is