Baleen whales are large ocean-dwelling animals once hunted for their modified hair,baleen.The young are fully developed at birth and nurse on their mother's mammary glands.Baleen whales are

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Baleen whales are eutherian mammals, also known as placental mammals. They have a placenta that allows the exchange of nutrients between the mother and fetus during gestation. Monotremes lay eggs and do not have a placenta. Hominins are a group of primates that includes humans. Marsupials give birth to relatively underdeveloped young that continue to develop outside of the womb, typically in a pouch.

Baleen Whales Are Large Ocean-Dwelling Animals Once Hunted for Their