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When Diversity of Life on Earth Tripled - GEO GIRL

GEO GIRL via YouTube

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Overview

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This course explains the Great Ordovician Biodiversification Event, including proposed environmental and biological causes and its effects on marine ecosystems, reefs, and food webs.

Syllabus

What is the GOBE?
Leading up to the GOBE
Evolutionary Fauna Transitions
Ediacaran Fauna
Cambrian Fauna
Paleozoic Fauna
Multiple Causes of the GOBE
Warm, Nutrient-rich Conditions
Tectonics & Mountain Building
Gradual Cooling
‘Food’ & O2 Rise
Meteor Shower
Diversification Itself
Impacts of GOBE
More Stable & Resilient Ecosystems
Reef Transition & New Food Chains
Summary

Taught by

GEO GIRL

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