dinosaurs
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dinosaurs [2021/11/29 02:26] aga |
dinosaurs [2021/11/29 02:28] (current) aga [Spiecies] |
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| Dinosaurs probably had feathers. This contradicts the well-established image of these reptiles in pop culture, however, although the velociraptor known from Steven Spielberg' | Dinosaurs probably had feathers. This contradicts the well-established image of these reptiles in pop culture, however, although the velociraptor known from Steven Spielberg' | ||
| - | ==== Spiecies | + | ==== Species |
| Estimates of the number of dinosaur species found in the Mesozoic Era range from 1543 to 2468 species. [([[https:// | Estimates of the number of dinosaur species found in the Mesozoic Era range from 1543 to 2468 species. [([[https:// | ||
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| ==== Dominant land reptiles ==== | ==== Dominant land reptiles ==== | ||
| - | The first dinosaurs formed about 230 million years ago, in the part of the supercontinent Pangea that now corresponds to South America. Before that time, the dominant land reptiles were archosaurs (" | + | The first dinosaurs formed about 230 million years ago, in the part of the supercontinent Pangea that now corresponds to South America. Before that time, the dominant land reptiles were archosaurs (" |
| ==== Warmblooded or cold-blooded? | ==== Warmblooded or cold-blooded? | ||
| - | It is unlikely that giant dinosaurs, such as the Argentine dinosaur, were warm-blooded because they would have cooked from the inside out in a matter of hours. [([[https:// | + | It is unlikely that giant dinosaurs, such as the Argentine dinosaur, were warm-blooded because they would have cooked from the inside out in a matter of hours. [([[https:// |
| {{tag> | {{tag> | ||
dinosaurs.1638174404.txt.gz · Last modified: 2021/11/29 02:26 by aga