ORGANISMO QUE PROTEGEN AL MEDIO AMBIENTEEE

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Which of the following explains why a tree is often used as a model to represent the principle of common descent

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?