How does genetic variation contribute to the diversity of organisms?

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?

What makes a dominant allele different from a recessive allele

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.