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23 de ago. de 2016 · A mammal ( Template:Etymology) 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 neocortex region of the brain, fur or hair, and three middle ear bones.
Category. : Mammals. Wikimedia Commons has media related to Mammalia and Mammals. The mammals are the class of vertebrate animals primarily characterized by the presence of mammary glands in the female which produce milk for the nourishment of young; the presence of hair or fur; and which have endothermic or "warm blooded" bodies.
mammal, Any member of the class (Mammalia) of warm-blooded vertebrate s 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. Other unique characteristics include a jaw hinged directly to the skull, hearing ...
Mammal. Mammals are craiturs that gies milk tae thair affspring. A mammal haes wairm bluid an a rig-bane. Cats, mice an sicna mammals bides on laund an selchs an whauls an sicna mammals bide in the sea . Awmaist aw mammals gie birth tae leevin young. Thare are anerly twa mammals that lay eggs, cried Monotremes, the Deuk-nebbed Platypus ...
A mammal (from Latin mamma 'breast') 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 neocortex region of the brain, fur or hair, and three middle ear bones.
t. e. 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] Many earlier ideas from Linnaeus et ...
Les mammifères sont d'abord caractérisés – comme leur nom le rappelle – par l' allaitement. Les mammifères forment une classe d'animaux vertébrés descendant des Thérapsides . Ils possèdent tous des glandes mammaires, lesquelles pourraient être issues des glandes sébacées ou des glandes sudoripares 1.
