Neanderthal man, or Homo neanderthalensis, is an extinct species of the genus Homo. Between 500,000 and 40,000 years ago, during the Pleistocene epoch, they inhabited Eurasia, predominantly Europe. Neanderthals were powerful hunters, well adapted to surviving in the glacial period. ...
The article discusses the most interesting facts about the lives of ancient dinosaurs. They were the largest creatures ever to inhabit the land. During the Mesozoic era, these gigantic reptiles ruled the entire Earth. Later, they became completely extinct, and our ancestors — mammals — spread across the land. However, paleontologists continue to uncover more and more fossils of these famous reptiles. ...
The origin of plants was a lengthy evolutionary process during which plants and animals de-scended from a common primitive ancestor. This occurred several billion years ago, even in the Archean eon. Chlorophyll gives plants their green color and they can feed on inorganic sub-stances. ...
Hemichordates are strictly marine benthic organisms. They are characterized by similar initial stages of embryonic development, the presence of a notochord (a dorsal outgrowth of the gut, also known as a stomochord), the unique structure of the secondary body cavity, and perforating budding. They first appeared in the early or middle Cambrian period. ...
