Different between silkworm and honey bee

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.

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

What advantages does a pedigree have over a written passage?