Paleobiologists generally recognize the five most severe mass extinctions during the Phanerozoic Eon. Determine when each of these "Big Five" mass...

Paleobiologists generally recognize the five most severe mass extinctions during the Phanerozoic Eon. Determine when each of these “Big Five” mass extinctions occurred. Include in the 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.