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Há 1 dia · A mammal (from Latin mamma 'breast') is a vertebrate animal of the class Mammalia (/ m ə ˈ m eɪ l i. 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.
- Evolution of mammals
The crown group mammals, sometimes called 'true mammals',...
- Evolution of mammals
Há 2 dias · Bats are flying mammals of the order Chiroptera (/ k aɪ ˈ r ɒ p t ə r ə /). With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most birds, flying with their very long spread-out digits covered with a thin membrane or patagium.
- Eukaryota
- Chiroptera, Blumenbach, 1779
Há 2 dias · Marsupials are a diverse group of mammals belonging to the infraclass Marsupialia. They are primarily found in Australasia , Wallacea , and the Americas . One of the defining features of marsupials is their unique reproductive strategy, where the young are born in a relatively undeveloped state and then nurtured within a pouch.
Há 1 dia · Tigris regalis Gray, 1867. The tiger ( Panthera tigris) is the largest living cat species and a member of the genus Panthera. It has a powerful, muscular body with a large head and paws, a long tail, and distinctive black, mostly vertical stripes on orange fur.
Há 2 dias · Milk is a white liquid food produced by the mammary glands of mammals and the caecilian Siphonops annulatus. It is the primary source of nutrition for young mammals (including breastfed human infants) before they are able to digest solid food. Immune factors and immune-modulating components in milk contribute to milk immunity.
Há 2 dias · The cat skull is unusual among mammals in having very large eye sockets and a powerful specialized jaw. [51] : 35 Within the jaw, cats have teeth adapted for killing prey and tearing meat. When it overpowers its prey, a cat delivers a lethal neck bite with its two long canine teeth , inserting them between two of the prey's vertebrae and severing its spinal cord , causing irreversible ...
