Cows, elephants and whales are all mammals.
coincidence
cows, bison, yaks, camels, water buffalo, elephants, dolphins, giraffes, hippos, rhinos, whales, large seals, moose, elks and red deer.
No. Baby mammals of some species (elk, elephants, whales, moose, cattle, etc.) are called calves. The mature females are called cows.
Female elephants are frequenlty called "cow" elephants.
cows
Calves represent the name that is given to baby Narwhals. One baby narwhal will be called a calf. They therefore will share the terminology with the young calves of cows, dolphins, elephants and whales.
Elephants are related to cows quite distantly. The closest taxonomical classification which cattle and elephants share is Infraclass Eutheria. From there, the divide commences.
No, though cows and whales come from a common ancestor being the Pakicetus. Cows are "sisters" to hippos, and both of these species are "cousins" to whales. Cows, like all other ungulates, have their evolution much farther back on the evolutionary tree than whales do. Whales came from mammals that went from being terrestrial to oceanic in a matter of 8 million years. See the related link below for more info.
No, elephants have breasts like humans.
Cows
Male elephants are called bulls, and female elephants cows.
Great White Sharks and killer whales eat sea elephants