Exam 2 Study Guide

Exam 2 Study Guide - GLY2100 Historical Geology Exam 2...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
GLY2100 Historical Geology Exam 2 Study Guide Chapters 7-13 in book + lecture material Evolution Evolution Jean Baptiste de Lamarck Lamarckian evolution Inheritance of acquired characteristics Charles Darwin HMS Beagle o Galapagos Islands Tortoises Iguanas Finches Theory of Natural Selection Alfred Russel Wallace Evidence of Evolution Artifical selection Vestigial structures Homologous structures Embryonic structures Gregor Mendel Pea experiments Variation in a population through: Sexual recombination Mutation Genetic drift Biologic species Paleontologic species Speciation Allopatric speciation Mode and Tempo of Speciation Phyletic gradualism Punctuated equilibrium Phylogeny Cladistics Clade Cladogram Monophyletic vs. polyphyletic group Patterns of evolution Divergent Adaptive Radiation Convergent o Heterochronous o Isochronous Parallel Extinction Background extinction Mass extinction Cope’s Rule Haeckel’s Recapitulation Law Carolus Linneaus Binomial nomeclature Hierarchy of classification o Kingdom o Phylum o Class o Order o Family o Genus o Species Hadean and Archean Precambrian Hadean (informal designation) Hadean Events: Earth accretion (~4.55 Ga) Differentiation o Iron catastrophe Formation of moon (~4.527 Ga) Formation of first crust (ultramafic) Frequent meteorite impacts High radiogenic heat production Formation of first granitic (felsic) continental crust Hadean Atmosphere Earliest atmosphere H, He o Lost to space Volcanic outgassing formed Earth’s early atmosphere 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
o Components of Earth’s early atmosphere H 2 O, H 2 , CO 2 , CO, N 2 , (CH 4 , NH 3 ) o NO O 2 Evidence: detrital pyrite and uraninite Sources of O 2 to atmosphere o Photochemical dissociation o Photosynthesis Hadean hydrosphere Sources for water on Earth o Volcanic outgassing o Icy comets Archean Eon (~4.0 to 2.5 Ga) Continental accretion Continental shield Continental platform Craton Origin of cratons Archean cratons o South Africa o Australia o Superior and Slave cratons (N.A.) Orogenic activity Archean crust Granite-gneiss complexes o Granulites and granitic
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This test prep was uploaded on 04/19/2008 for the course GLY GLY2100 taught by Professor Parker during the Spring '08 term at FSU.

Page1 / 6

Exam 2 Study Guide - GLY2100 Historical Geology Exam 2...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online