Question

a village Lake dengue and malaria patients number increases due to decrease in population of gambusia fishes and frogs explain it

Answer 1

The Gambusia fish and Frogs used to eat the eggs of the Mosquito lying on the surface of lake water , due to this Mosquito number remains controlled.

But if the number of these Gambusia fish and Frog is decreased , there would be an increase in the number of Mosquitoes in that village.

So , people are being affacted by Malaria and dengue rapidly.