A law can be repeated every time while a theory can not a law has more facts and statistics supporting its results while a theory has not been proven and really just cant be trusted as much as a law.
The inside surface area is shaped in a crescent. It consists of a spiral valve which is made up of the small intestine. Although the dogfish shark has a relatively short small intestine compared to other animals, therefore, the spiral valve allows for a more compact form of the small intestine.
Hence, this structure provides maximum surface area over a relatively short distance in order to make the absorption of nutrients efficient achieved from the food, the sharks had from eating different sea animals.
Answer:
increased stability in the ecoystem
<span>tympanum Im preatty sure</span>