Paleobiologists generally recognize the five most severe mass extinctions during the Phanerozoic Eon. Along with the other students in this class, determine when each of these “Big Five” mass extinctions occurred. Include in the discussion a brief list of which organisms went extinct during each of these events and which organisms radiated afterwards. You should use the information from this unit and from Internet searches to help you in this discussion.

Question

abhisar · Answer

Time/Period                                                        Name of Mass Extinction
Between Coenozoic and Mesozoic Era                      Rocky Mountain Revolution
Between Mesozoic and Palaeozoic Era                      Applachian Revolution
Between Palaezoic and Proterozoic Era             2nd Geological revolution 
Between Archaeozoic and Proterozoic Era         1st Geological revolution

abhisar · Answer

@kittyT