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Há 2 dias · 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. Many species of snakes have skulls with several more joints than their lizard ancestors, enabling them to swallow prey much larger than ...
Há 2 dias · Crocodilia (or Crocodylia, both / krɒkəˈdɪliə /) is an order of mostly large, predatory, semiaquatic reptiles known as crocodilians. They first appeared 94 million years ago in the Late Cretaceous period ( Cenomanian stage) and are the closest living relatives of birds, as the two groups are the only known survivors of the Archosauria.
Há 2 dias · Marsupials have the typical characteristics of mammals —e.g., mammary glands, three middle ear bones, (and ears that usually have tragi, [3] varying in hearing thresholds [4]) and true hair. [5] There are, however, striking differences as well as a number of anatomical features that separate them from eutherians .
Há 2 dias · Human evolution. The hominoids are descendants of a common ancestor. Human evolution is the evolutionary process within the history of primates that led to the emergence of Homo sapiens as a distinct species of the hominid family that includes all the great apes. [1]
Há 2 dias · Brachycera. An Anthomyiidae species showing characteristic dipteran features: large eyes, small antennae, sucking mouthparts, single pair of flying wings, hindwings reduced to clublike halteres. Flies are insects of the order Diptera, the name being derived from the Greek δι- di- "two", and πτερόν pteron "wing".
Há 2 dias · Schlesinger, 1917. A mastodon ( mastós 'breast' + odoús 'tooth') is a member of the genus Mammut (German for "mammoth"), which strictly defined, was endemic to North America and lived from the late Miocene to the early Holocene. Mastodons belong to the order Proboscidea, the same order as elephants and mammoths (which belong to the family ...
Há 2 dias · Ailuropodinae ( Pandas) Tremarctinae (Short-faced bears) Ursinae (All other bear species) Bears are carnivoran mammals of the family Ursidae ( / ˈɜːrsɪdiː, - daɪ / ). They are classified as caniforms, or doglike carnivorans. Although only eight species of bears are extant, they are widespread, appearing in a wide variety of habitats ...
