How does nature make animals look like the environment. For example, how did so-called stick insects or leaf-insects obtained the way they look?

Question

You know, in general it’s called mimicry. But how does it work even though all these creatures only perceive their surroundings with the eyes and so on. Like…just how it knows the way these creatures should be changed to be less visible.

In: 2

Answer 1

Natural selection. The stickbug that looks less like a native stick gets eaten and the one that looks more like a native stick stays hidden and can reproduce.