When man eats fish which feeds onzooplanktons which have eaten small plants,the producer in this chain is
small plants
fish
man
zooplankton
Energy flow in ecosystem is
$A$ : Detritus food chain begins with detritus.
$R$ : Detrivores like fungi and bacteria are major decomposers in such food chains.
Which one of the following components of ecosystem comes from outside
In ecological crisis, whom interference play important role
What is primary productivity? Give brief description of factors that affect primary productivity.