Where Do Cetaceans Evolve from?
Cetaceans Originated from Land Mammals (Thewissen and Williams 2002; Fordyce and Muizon 2001). Many Features That Are Common in Land Mammals Have Changed in...
Cetaceans originated from land mammals (Thewissen and Williams 2002; Fordyce and Muizon 2001). Many features that are common in land mammals have changed in the evolutionary process that led to cetaceans. The presence of hair or fur, for instance, is characteristic of mammals.
Where kind of thing did cetaceans evolve from?
Cetaceans are fully aquatic marine mammals belonging to the order Artiodactyla and branched off from other artiodactyls around 50 mya (million years ago). Cetaceans are thought to have evolved during the Eocene or earlier and to share a relatively recent closest common ancestor with hippopotamuses.
Where did whales evolve from?
Both hippos and whales evolved from four-legged, even-toed, hoofed (ungulate) ancestors that lived on land about 50 million years ago. Modern-day ungulates include hippopotamus, giraffe, deer, pig and cow.
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