Exam3_StudyGuide - Composition of early atmosphere...

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Key Ideas for Exam 3 Uniformitarianism James Hutton Catastrophism 2 ways to date geologic events Principles of relative dating and their application Unconformity Hiatus Lithologic and fossil correlation Absolute dating methods Parent isotope Daughter isotope Half-life Fossil 2 basic types of fossils Why study fossils? Factors that promote fossilization Know a few ways to create a fossil Charles Darwin Natural selection and how it operates How traits are passed on Completeness of fossil record- why? Faunal succession and evolution Time scales of evolution and factors that accelerate it Distribution of events on Earth timeline Implications of deep time Basis for divisions of geologic timescale Geologic Eons and basic conditions, main events for each Eon Eras of the Phanerozoic Eon, types of life associated with each Era
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Unformatted text preview: Composition of early atmosphere, significance for early climate Banded iron formations and their significance Results of oxygen buildup in atmosphere Basics of Snowball Earth hypothesis Ediacaran fauna- when, what was life like Cambrian explosion- when, what was life like Orogeny Rodinia, Pannotia, Gondwana, Pangea- significance for life Causes of mass extinctions, how they operate Largest mass extinction, possible reasons Link between climate, sea level, and life Evidence for K-T impact Time of maximum greenhouse climate Climate of past 30 Ma vs. most of Earth history Ice ages and glaciers in NJ Mediterranean salinity crisis Current mass extinction, reasons for it...
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