Can anyone say the answer

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.

Nucleic acids offer variability because they contain alternate forms of genes called .

On his trip to the galapagos islands, darwin determined that animals on the islands