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Evo history of cetaceans?

[ad_1] Cetaceans, including whales, dolphins, and porpoises, are a group of aquatic mammals that evolved from terrestrial ancestors. The discovery of proto-land whales, the pakicetids, in Pakistan in 1983 provided evidence of their evolution. Pakicetids had three characteristics unique to whales and were at least semi-aquatic. Ambulocetids, also found in Pakistan, were fully aquatic and […]