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3D Models of Mammals such as cats lions gorilla giraffe kangaroo koala tiger bear penguin cheetah elephant rhinoceros wolf.
Mammals are a class of vertebrate animals, the main distinguishing feature of which is feeding with baby milk. The class enters the clade of the Synapsidomorpha above the four-legged class. According to the estimates of biologists, up to 5,500 modern mammalian species are known, among which is the species rational man; the total number of mammal species, including extinct ones, exceeds 20,000
Mammals are common almost everywhere. They originated from highly developed synapses at the end of the Triassic. Mammals include living monotremes, marsupials and placentals, as well as a large number of extinct groups. Modern species in the class of mammals are combined in 26-29 groups.
The appearance of mammals is very diverse but generally corresponds to the characteristic four-legged plan of the structure. The anatomy and physiology of mammals are characterized by the presence of the same functional systems as that of other quadrupeds. However, many of these systems have reached a high level of development, so this class among vertebrates is considered the most highly organized. The adaptations of mammals to life in various habitats are very diverse, their behavior is complex and diverse. They occupy a dominant position among the terrestrial fauna (in the aquatic environment, they are inferior only to ray-radiated fishes). Mammals play a large role in human life and economic activity: they act as important sources of food and industrial raw materials, perform transport functions, serve as a force for power, are used as laboratory animals and pets.
Mammals are spread all over the world and are found on all continents, in all oceans and on most of the existing islands. The current range of monopus is limited to Australia, Tasmania, and New Guinea, marsupials – the territory of Australia, Oceania and both Americas. The most widespread – in the placentals, which from the end of the Mesozoic became the dominant terrestrial vertebrates on all continents except Australia and Antarctica, dominating in the number of individuals, biomass, and position in food chains. In Australia, before the beginning of European colonization, few species of placentals lived, not counting humans, namely, bats and mice. On the islands distant from other continents, before the arrival of man, there were only a poor species of mammal fauna: on many of them, including in New Zealand, it was represented by only a few species of bats.