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| rdfs:comment | - Mammals are a class of vertebrate animals whose females are characterized by the possession of mammary glands while both males and females are characterized by sweat glands, hair, three middle ear bones used in hearing, a neocortex region in the brain, and one bone in the lower jaw.
- The mammals are the class of vertebrate animals characterized by the production of milk in females for the nourishment of young, from mammary glands present on most species and specialized skin glands in monotremes that seep or ooze milk; the presence of hair or fur; specialized teeth; three minute bones within the ear; the presence of a neocortex region in the brain; and endothermic or "warm-blooded" bodies. The brain regulates endothermic and circulatory systems, including a four-chambered heart. Mammals encompass some 5,500 species (including humans), distributed in about 1,200 genera, 152 families and up to 46 orders, though this varies with the classification scheme.
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| Appearances | - Walking with Dinosaurs
Walking with Beasts
Chased by Dinosaurs
Sea Monsters
Walking with Dinosaurs 3D
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| subdivision | - *Multituberculata
*Volaticotheria
*Palaeoryctoides
*Triconodonta
*Subclass Australosphenida
**Ausktribosphenida
**Monotremata
*Subclass Eutheria
**Afrosoricida
**Anagaloidea
**Arctostylopida
**Artiodactyla
**Carnivora
**Cetacea
**Chiroptera
**Cimolesta
**Cingulata
**Creodonta
**Condylarthra
**Dermoptera
**Desmostylia
**Dinocerata
**Embrithopoda
**Hyracoidea
**Insectivora
**Lagomorpha
**Leptictida
**Litopterna
**Macroscelidea
**Mesonychia
**Notoungulata
**Perissodactyla
**Pholidota
**Pilosa
**Plesiadapiformes
**Primates
**Proboscidea
**Pyrotheria
**Rodentia
**Scandentia
**Sirenia
**Taeniodonta
**Tubulidentata
*Subclass Marsupialia
**Dasyuromorphia
**Didelphimorphia
**Diprotodontia
**Microbiotheria
**Notoryctemorphia
**Paucituberculata
**Peramelemorphia
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| Diet | - Carnivores , Herbivores ,Insectivores ,Filter feeders ,Omnivores
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| abstract | - Mammals are a class of vertebrate animals whose females are characterized by the possession of mammary glands while both males and females are characterized by sweat glands, hair, three middle ear bones used in hearing, a neocortex region in the brain, and one bone in the lower jaw.
- The mammals are the class of vertebrate animals characterized by the production of milk in females for the nourishment of young, from mammary glands present on most species and specialized skin glands in monotremes that seep or ooze milk; the presence of hair or fur; specialized teeth; three minute bones within the ear; the presence of a neocortex region in the brain; and endothermic or "warm-blooded" bodies. The brain regulates endothermic and circulatory systems, including a four-chambered heart. Mammals encompass some 5,500 species (including humans), distributed in about 1,200 genera, 152 families and up to 46 orders, though this varies with the classification scheme. Phylogenetically, Mammalia is defined as all descendants of the most recent common ancestor of monotremes (e.g., echidnas and platypuses) and therian mammals (marsupials and placentals).
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