Identify the possible link “$A$” in the following food chain.
Plant $→$ Insect $→$ Frog $→$ “$A$” $→$ Eagle
Rabbit
Wolf
Cobra
Parrot
Which of the following food chain shows spindle shaped pyramid of number?
The bacteria which attack dead animals are
If forest area is reduced to half, which one of the following will be a long term effect
Abyssal zone of oceans is characterized by