The purpose of the menstrual cycle is to keep women from getting pregnant. true or false.

Four types of motile cells in human body?

Identify the missing parts of the carbon cycle

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.