Fats are an important dietary requirement that play a number of roles in the body. Fats transport fat-soluble vitamins in the body, such as . The body can't synthesize and must obtain it through dietary intake.

Ifound this on google “aristotle (384–322 bc) in western scientific taxonomy the greek philosopher aristotle was the first to classify all living things, and some of his groups are still used today, like the vertebrates and invertebrates, which he called animals with blood and without blood.” i hope this you for what your looking for.