Answer:
Zooplankton(A)
Explanation:
Because the toxic mercury builds up in the bigger organsims
True, energy flow through a food chain is very inefficient...
He is a narcissist. P.S This guy sounds terrible I hope this isn't someone you actually know.
There is no mistaking one name for another.
It is constant all around the world.
Both if these reasons produce efficiency and limit confusion in the scientific community