Which of the following is an event that would trigger external cell cycle regulators

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. this is an example of speciation.

How can an organ, such as the lungs, work for multiple body systems?

The basic types of tissue in the human body are