Question

The number of heterotrophs found in desert region is smaller. However they are found in great numbers in the sea.why is this so?

Answer 1

because heterotrops are cannot prepare their own food in desert there are few trees & animals to eat so they not found in deserts
in water seas there are most animals & below the sea there are most grass because 70 % of surface occupied by sea
so The number of heterotrops found in desert region is smaller however they are found in great numbers in the seas