Answer:
As with sea horses, sea dragon males are responsible for childbearing. But instead of a pouch, like sea horses have, male sea dragons have a spongy brood patch on the underside of the tail where females deposit their bright-pink eggs during mating.
1.The answer is that because of the process of meiosis and fertilizations
Explanation:
The oldest layers are on the bottom, and the youngest layers are on the top.
Metabolism!!
Not to mention pretty much the entire digestive tract and nervous system.