WebThe Ordovician (/ ɔːr d ə ˈ v ɪ ʃ i. ə n,-d oʊ-,-ˈ v ɪ ʃ ən / or-də-VISH-ee-ən, -doh-, - VISH-ən) is a geologic period and system, the second of six periods of the Paleozoic Era.The Ordovician spans 41.6 million years from the end of the Cambrian Period 485.4 million years ago (Mya) to the start of the Silurian Period 443.8 Mya.. The Ordovician, named … WebStudy with Quizlet and memorize flashcards containing terms like A(n) ___________ is a branch of an evolutionary tree and all of the descendants of a particular ancestor at the beginning of that branch., Adaptive radiation refers to, After the Cambrian explosion and about 480 mya, very simple algae-like plants were the first organisms to colonize land. …
Lecture notes 1 - Earth and Life Science Quarter 2 - StuDocu
WebColonization of land. Land plants evolved from a group of green algae, perhaps as early as 850 mya, but algae-like plants might have evolved as early as 1 billion years ago. The closest living relatives of land plants are the charophytes, specifically Charales; assuming that the habit of the Charales has changed little since the divergence of lineages, this … WebAgnathans, or jawless fish were the earliest fish and the first true vertebrates and they appeared around 480 million years ago. One of the Agnathan lineages were the Ostracoderms, the earliest jawless fish, dating back around 510 million years. They were bottom-feeders and were almost entirely covered in armour plates. how many copies of mario games sold
What came first insects or land plants?
WebStudy with Quizlet and memorize flashcards containing terms like When did the first land plants appear/evolve?, What did the first land plants evolve from?, green algae characteristics and more. ... about 480 mya. What did the first land plants evolve from? green algae. green algae characteristics-algae are protists WebThe Cambrian Explosion (530 MYA) • Rodinia supercontinents breaks up (700 MYA) First land plants and fish (480 MYA) • Pangea supercontinent breaks up (200 MYA) First reptiles (350 MYA) • Inland seas dry up (200 MYA) First Mammals and dinosaurs ( MYA) • Global ice ages begin (2 MYA) Web136 mya: flowering plants Birds 150 mya: birds branch off 150 mya: first living group of mammals 145-65 mya: Cretaceous period A continuous sea encircled the tropics Earth was warm and humid. Dinosaurs continued to diversify (ceratopsians, hadrosaurs, tyrannosaurs and dromaeosaurs) snakes appeared. high school softball statistics