Why camouflage plant and insects can changes the colour easily but we don't?

Animals like Chameleons can change colors because beneath their skin they have numerous layers of pigments. By opening and closing specialized cells called melanophores, different pigments are revealed and their color changes.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.