What is the term used to define the periodic shedding of exoskeleton?

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.

Explain the difference between incomplete dominance and codominance

What is used to keep track of the gamates and possible offsprings combination