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Há 3 dias · Around 94 species. Cetacea ( / sɪˈteɪʃə /; from Latin cetus ' whale ', from Ancient Greek κῆτος ( kêtos) ' huge fish, sea monster ') [3] is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape ...
Há 16 horas · 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 1 dia · The coyote ( Canis latrans ), also known as the American jackal, prairie wolf, or brush wolf is a species of canine native to North America. It is smaller than its close relative, the gray wolf, and slightly smaller than the closely related eastern wolf and red wolf. It fills much of the same ecological niche as the golden jackal does in ...
Há 2 dias · Somalia, [a] officially the Federal Republic of Somalia, [b] is the easternmost country in continental Africa. The country is on the Horn of Africa and is bordered by Ethiopia to the west, Djibouti [11] to the northwest, the Gulf of Aden to the north, the Indian Ocean to the east, and Kenya to the southwest.
Há 3 dias · Anatomical terminology. [ edit on Wikidata] The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. In vertebrates, a small part of the brain called the hypothalamus is the neural control center for all endocrine systems. [1] The brain is the largest cluster of neurons in the body ...
Há 1 dia · Conard & Rots (2024) describe a perforated baton made from mammoth ivory from the Hohle Fels Cave (Germany), and interpret is as a probable Aurignacian rope making tool. [53] Ge et al. (2024) provide new age estimates for human remains from the Tongtianyan cave (China), ranging from ~33,000 to 23,000 years ago.
Há 3 dias · The eukaryotes ( / juːˈkærioʊts, - əts / yoo-KARR-ee-ohts, -əts) [5] constitute the domain of Eukarya or Eukaryota, organisms whose cells have a membrane-bound nucleus. All animals, plants, fungi, and many unicellular organisms are eukaryotes.
