ESS102H1 Lecture Notes - Lecture 16: John William Dawson, Albert Seward, Metamorphic Rock
Document Summary
Glg 105 lecture 16 - november 16 th. Essay pointers: specific questions objective is to not take in all details, but specific information, the two mars papers are telling the same story, so combine them to summarize them. ** the last paragraph won"t be the same for all of them. He thought shark teeth fossils were snake tongues first testable hypothesis. Earth"s oldest fossils: evolution of life in the phanerozoic. Palaeozoic: beginning of cambrian: lifeforms suddenly appear invertebrates. Mesozoic: time of dinosaurs, first birds and mammals, first flowering plants first time there were a lot of colours (birds, flowers, dinosaurs, insects) Cenozoic: time of mammals (mammoths, horses, etc. ) rise of humans. The landscape would look very different if you could go back in time. Phanerozoic: evolution of life start off as simpler bottom plants, to more complicated with ones that we are more familiar with older than cambrian had no life: darwin"s dilemma.
