Why do ALL animals have DIFF characteristics?

Question

evan te same species have diff characteristics

y they have it

Answer 1

mutations/evolution

Answer 2

Well every single person is different, the same goes for animals.

Its all genicts.

Answer 3

The look and behavior of an animal is partly controlled by genes and partly controlled by the environment.  What animals' mothers ate before they were born, what chemicals the animals have been exposed to, any kinds of traumatic experiences they've had (traumatic doesn't necessarily mean emotional, it can also include physical events), and so on will affect things about an animal that are not hardwired by genes.