A new genetic analysis challenges recent findings that suggested whales might have evolved differently than is widely believed.
This has also lent support to the idea that whales evolved from water-loving creatures that looked like small deer.
This is why scientists long believed that whales evolved from a form of mesonychid.
Today many scientists believe whales evolved from the same stock that gave raise to hippos.
The whales evolve their common songs simultaneously even though some of them are much too far apart from one another to hear the changes at the same time.
Cetartiodactyla is commonly used because it is thought that whales evolved from the artiodactyls.
The whales evolved from land animals that returned to the sea millions of years ago.
The term Cetartiodactyla reflects the idea that whales evolved within the artiodactyls.
It is well accepted that all whales evolved from a single ancestor.
Along with other members of Ambulocetidae, it is a transitional fossil that shows how whales evolved from land-living mammals.