Mammal - Wikipedia
网页A mammal (from Latin mamma 'breast') [ 1 ] is a vertebrate animal of the class Mammalia (/ məˈmeɪli.ə /). Mammals are characterized by the presence of milk -producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three middle ear bones.
Mammal | Definition, Characteristics, Classification, Examples,
网页2024年8月5日 · mammal, (class Mammalia), any member of the group of vertebrate animals in which the young are nourished with milk from special mammary glands of the mother. In addition to these characteristic milk glands, mammals are distinguished by several other unique features.
MAMMALIAN中文(简体)翻译：剑桥词典 - Cambridge Dictionary
网页mammalian. adjective. biology specialized uk / məˈmeɪ.li.ən / us / məˈmeɪ.li.ən /. Add to word list. relating to mammals (= animals whose female feeds her young on milk from her …
Mammalian Definition & Meaning - Merriam-Webster
网页The meaning of MAMMAL is any of a class (Mammalia) of warm-blooded higher vertebrates (such as placentals, marsupials, or monotremes) that nourish their young with milk secreted by mammary glands, have the skin usually more or less covered with hair, and include humans. How to use mammal in a sentence.
Mammal classification - Wikipedia
网页Mammalia is a class of animal within the phylum Chordata. Mammal classification has been through several iterations since Carl Linnaeus initially defined the class. No classification system is universally accepted; McKenna & Bell (1997) and Wilson & Reader (2005) provide useful recent compendiums. [ 1 ]
Characteristics of mammals | Britannica
网页mammal, Any member of the class (Mammalia) of warm-blooded vertebrates having four limbs (except for some aquatic species) and distinguished from other chordate classes by the female’s milk-secreting glands and the presence of hair at some stage of development.
Mammals – Definition, Examples, Characteristics - Science Notes …
网页2023年11月22日 · Mammals represent a diverse and fascinating class of animals, encompassing a wide range of species from tiny shrews to humans to the colossal blue whale. As members of the class Mammalia, they share certain defining characteristics that set them apart from other animal classes.
Mammal - Classification, Class Mammalia, Monotremes, …
网页2024年8月5日 · Mammal - Classification, Class Mammalia, Monotremes, Marsupials & Placental Mammals: This classification of living mammalian taxa includes the subclass Prototheria (monotremes) and the subclass Theria (live-bearing mammals), which is comprised of infraclasses Metatheria (marsupials) and Eutheria (placental mammals).
Mammal Pictures & Facts - National Geographic
网页About Mammals. Mammals are among the most adaptable animals on the planet. They are found on every continent and in every ocean, and range in size from tiny bumblebee bats to enormous blue whales.
MAMMAL中文(简体)翻译：剑桥词典 - Cambridge Dictionary
网页any animal of which the female feeds her young on milk from her own body. Most mammals give birth to live young, not eggs. 哺乳动物. Humans, dogs, elephants, and dolphins are …
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