Given an animal that can produce sounds, if sounds are meaningful enough it can be a big advantage. Given more animals that produce sounds, the ones that can transmit more information will survive.
It's weird to think that there's nothing between complex (human) and simple (sheep) when it was the result of a gradual evolution. Big jumps are rare.
Given an animal that can produce sounds, if sounds are meaningful enough it can be a big advantage. Given more animals that produce sounds, the ones that can transmit more information will survive.
It's weird to think that there's nothing between complex (human) and simple (sheep) when it was the result of a gradual evolution. Big jumps are rare.