Mammals, a class of vertebrate animals, are distinctively known for having hair or fur, producing milk through mammary glands, and mostly giving birth to live young, with the ability to regulate their body temperature independently. They inhabit diverse environments globally, from the ocean depths with whales to high mountain terrains housing snow leopards, showcasing remarkable adaptations that enable survival across nearly all ecosystems. The class is divided into three main subclasses: Monotremes, egg-laying mammals like the platypus; Marsupials, which nurse their young in pouches, including kangaroos; and Placental Mammals, encompassing species like humans and elephants that birth more developed young. Mammals are integral to ecological balance, functioning as apex predators, herbivores, and omnivores, with complex social behaviors and structures that intrigue scientists and animal enthusiasts worldwide.
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