What is a Mammal? - Mammal Characteristics

The video explores the unique features that distinguish mammals from other animals, such as the ability to maintain a constant internal temperature, the presence of mammary glands for milk secretion, and the development of hair. It also delves into the unique structure of the mammalian skull and ear bones, which are used to identify fossilized mammals. Additionally, the video discusses the mammalian heart and diaphragm, and concludes with the diverse range of body forms and behaviors found in mammals, united by six defining features.

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