Paleozoic Era | Geologic time scale with events | скачать в хорошем качестве

Paleozoic Era | Geologic time scale with events |

Paleozoic EraPaleozoic era was 544 to 245 million years ago Paleozoic means “ ancient life” and is part of the phanerozoic eon along with the cenozoic, and mesozoic eras Let’s hit some highlights of this era Early during the Paleozoic era trilobites, echinoderms, and other marine invertebrates such as coral dominated the oceans. Jawless fish also lived during this era Evently sharks and other bony fish appear However, as time passed life did not remain in the sea. Land plants began to appear such as ferns and some trees later in this era Life was also crawling out of the ocean The first vertebrates appeared Among these vertebrates was a tetrapod which was a vertebrate that could live on land Other vertebrates would appear including snakes,crocodiles, Reptiles and insects scatter throughout the world and amphibians appear The supercontinent Rodinia brook apart early in this era, but by the end of the era the supercontinent Pangea was formed.