What is a characteristic of annelids?

What is the name for a substance formed in a chemical reaction

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.