In what situation is having a lot of melanin usetul and in what situation is having less melanin useful

Once a woman attains puberty, her overuse mature and release one egg per ovarian cycle. which hormone stimulates this event?

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.

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?