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Há 2 dias · This article is about the reptile. For other uses, see Snake (disambiguation). Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes ( / sɜːrˈpɛntiːz / ). [2] Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales.
Há 4 dias · Theria. Marsupialia. Placentalia. 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 neocortex region of the brain, fur or hair, and three middle ear bones.
Há 5 dias · Today, this notion has been discarded and a consensus exists that ichthyosaurs are amniote tetrapods, having descended from terrestrial egg-laying amniotes during the late Permian or the earliest Triassic.
Há 4 dias · Estatísticas. Maiores públicos. Ver também. Notas. Referências. Ligações externas. Copa Libertadores da América de 2024. A Copa Libertadores da América de 2024, oficialmente CONMEBOL Libertadores 2024, é a 65.ª edição da competição de futebol realizada anualmente pela Confederação Sul-Americana de Futebol (CONMEBOL).
Há 2 dias · 先有鸡还是先有蛋？. 这是亚里士多德提出的哲学悖论：鸡由蛋孵化而来，蛋又由鸡所产。. 因此这个无限序列找不到起始点，正如我们不知道宇宙的开端。. 不过对生物学家而言，哲学悖论姑且不提，鸡和蛋的先来后到当然是可以说明白也值得展开讲的科学话题 ...
Há 5 dias · Universal Time (UT1) is mean solar time at 0° longitude, computed from astronomical observations. It varies from TAI because of the irregularities in Earth's rotation. Coordinated Universal Time (UTC) is an atomic time scale designed to approximate Universal Time. UTC differs from TAI by an integral number of seconds.
Há 3 dias · Pékin est située à l'extrémité nord-est de la plaine de la Chine du Nord, à 110 km de la mer de Bohai, à 809 km à l'ouest de Pyongyang, à 1 170 km au sud-est d' Oulan Bator, à 5 795 km à l'est-sud-est de Moscou et à 8 219 km au sud-est de Paris. Des montagnes se dressent à l'ouest et au nord de Pékin.
