Aone-way relationship in which one species benefits and directly hurts the other is called

Y’all i need answers plss people are saying me and my brother look alike although we’re two different ages. one year apart i’m a girl, btw i’m thinking we could be fraternal twins idk my parents and my friends think we look alike

As a small change in a person's dna can cause a genetic disorder

Modern whales developed their traits through natural selection what occurs during the process of natural selection