Changes

===Evolution===

===Evolution===

{{seealso|Evolution of cetaceans}}

{{seealso|Evolution of cetaceans}}

Dolphins, along with whales and porpoises, are thought to be descendants of terrestrial mammals, most likely of the [[Artiodactyl]] [[order (biology)|order]]. The ancestors of the modern day dolphins entered the water roughly fifty million years ago.

Dolphins, along with whales and porpoises, are thought to be descendants of terrestrial mammals, most likely of the [[Artiodactyl]] [[order (biology)|order]]. The ancestors of the modern day dolphins entered the water roughly fifty million years ago. Though this is probably false as the bible contradicts such claims.

[[Image:Dolphin_embryo.jpg|thumb|left|'''Hind Limb Buds on Dolphins''' An embryo of a Spotted Dolphin in the fifth week of development. The hind limbs are present as small bumps (hind limb buds) near the base of the tail. The pin is approximately 1 inch (~2,5 cm) long.]]

[[Image:Dolphin_embryo.jpg|thumb|left|'''Hind Limb Buds on Dolphins''' An embryo of a Spotted Dolphin in the fifth week of development. The hind limbs are present as small bumps (hind limb buds) near the base of the tail. The pin is approximately 1 inch (~2,5 cm) long.]]