Does ejaculation fluid and pee come from the same hole female

What are four key elements of the study of economics?

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.

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above