Life in the Silurian, Devonian, and Carboniferous periods

#biology #science #evolution #alexandrmarkov #biology #darwin #archae #evolution #earlylife #life #devonian #fossils ◉ This is lecture 28 of the course "Evolutionary Biology" and lecture 13 of its second part – "The History of Life on Earth." ❗️The lecture covers three periods of the Paleozoic Era: the Silurian, Devonian, and Carboniferous. ✅ Many important events occurred during this time: the diversification of armored agnathans, the emergence and rapid evolution of true (gnathostome) fish, the colonization of land by higher plants, the appearance of the first trees and forests, and the "emergence of fishes on land" – the emergence of tetrapods. ✅ We will learn about the second mass extinction of the Phanerozoic Era, which occurred at the end of the Devonian, and its causes, which many experts attribute to the rapid growth of terrestrial vegetation, which loosened the soil with its roots, leading to increased erosion, eutrophication of coastal waters, and freeze-outs. ✅ In the final part of the lecture, having become acquainted with the fauna and flora of the Carboniferous, we will begin to discuss a fascinating evolutionary mystery – the origin of insect wings. ℹ️ This lecture is part of Alexander Markov's extensive course "Evolutionary Biology," delivered in 2015-2016 at the ARCHE Cultural and Educational Center and based on original courses taught to students of the Faculty of Biology and the Faculty of Bioengineering and Bioinformatics at Moscow State University. The course consists of three parts: 1) Theory of Evolution (15 lectures) 2) The History of Life on Earth (15 lectures) 3) Human Evolution (14 lectures) Previous lecture: Evolution of Biodiversity. Life in the Ordovician. ▶️    • Evolution of Biodiversity. Life in the Ord...   🟢 Thanks to Alexey Sivukhin for providing the videos. Arhe Cultural and Educational Center: https://arhe.msk.ru/ ▶️    / @arhecenter