Identify the possible link “$A$” in the following food chain.
Plant $→$ Insect $→$ Frog $→$ “$A$” $→$ Eagle
Rabbit
Wolf
Cobra
Parrot
(c)
In relation to energy transfer in ecosystem, explain the statement "$10$ $kg$ of deer's meat is equivalent to $1$ $kg$ of lion's flesh".
Plants capture only……………..percent of $PAR$
What is the ultimate source of energy for the ecosystems ?
A rat feeding upon potato tuber is
First link in any food chain is a green plant because
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