6 BISC_120 Darwin

6 BISC_120 Darwin - Reminders No class on Monday (Labor...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Reminders • No class on Monday (Labor Day) • First Blackboard lecture quiz begins next Friday (Sept 10) • Practice quiz available now on Blackboard under Lecture Quizzes https://blackboard. usc . edu About the first exam… • Midterm 1 is Sept 29 • Covers lectures 3-14 • Multiple choice, fill-in answers, short answers, matching, definitions, quantitative problems and one essay • No calculators or cell phones 3 5) The Darwinian Revolution 22.1-22.3 4 A short movie about Charles Darwin from Discovery Videos on masteringbio.com (ch 22)
Background image of page 1

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

View Full DocumentRight Arrow Icon
5 Top 5 Myths about Darwin 6 Myth 1 Darwin was the first to propose that life on this planet evolved Linnaeus (classification) Hutton (gradual geologic change) Lamarck (species can change) Many people proposed evolutionary ideas before Darwin, and many others paved the way for his theory, even if they did not believe in evolution themselves Fig. 22.2 8 Evolutionary ideas began with ancient Greeks • Empedocles believed plants came first, then animals • Developed a theory of struggle among animals that foreshadows natural selection Empedocles ~490-430 BC
Background image of page 2
9 Aristotle believed life forms were fixed, but his Scala Naturae inspired future evolutionary theories Aristotle 384-322 BC 10 Linnaeus developed classification system that played a role in Darwin’s evolutionary arguments • Did not believe in evolution • Used classification system to reveal the divine order of life • Considered the father of taxonomy Systema Naturae , 1758 11 Evolution was supported by the geologic theory of Gradualism , but not by Catastrophism 12 Cuvier , a hard core Catastrophist • Paleontologist • Found different fossils in different strata and inferred extinction • Believed boundaries between strata due to catastrophes 1769-1832
Background image of page 3

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

View Full DocumentRight Arrow Icon
13 Hutton and Lyell advocated gradualism • Believed earth’s features explained by processes currently operating • Implied earth is >> 6000 years old Hutton, 1726-1797 Lyell, 1797-1875 14 Darwin’s own grandfather proposed evolutionary ideas • A leading intellectual in 18th century England • Wrote prose and poetry discussing origins of life from a single ancestor, transmutation of one species into another, and effects of competition and
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/21/2010 for the course BIO 120 at USC.

Page1 / 11

6 BISC_120 Darwin - Reminders No class on Monday (Labor...

This preview shows document pages 1 - 5. Sign up to view the full document.

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