Survival of the fittest is talking about when you have traits that will help you, you are more likely to live rather than not having those traits. For example, a bird that swims a lot has webbed feet so it has a better chance of surviving then a bird who does not have webbed feet
Yes it is possible but the environment and how their musical abilities are shaped plays an important role too. So its no necessary that the child will definitely have the ability
Answer:
The male reproduction system.
