上学期unit4intergratingskills高三英语课件
日期：2010-10-11 10:16
OntheOriginofSpecies1WhatwasDarwinfamousfor?Hewasfamousforwritingabookcalled“ontheoriginofspecies”2Whatisthemainideaofthebook?Hesaidthatalllivingplantsandanimalsgraduallydeveloped1FindouttheimportantpeoplementionedinthetextCharlesDarwinFromEnglandGregorMendelFromAustriaGoteTuressonFromSwedenHowmanypartscanthetextbedividedinto?PartIPa1-3:DarwinandhisresearchPartIIPa4-5:MendelandhisexperimentPartIIIPa6:TuressonandhisstudyPartIVPa7:theimportanceandsignificanceoftheresearchofthethreeCharlesDarwinGregorMendelGoteTuressonFive-yearexpeditiononthebeagleOriginofSpeciesGivebirthtoScienceofgeneticsProveexistenceofstablevarietieswithinspeciesinordertoadapttotheenvironmentSpecieshavetodevelopthemselvesThewildlifeofGalapagosConductedhisexperimentwithFlowersandpeasStudyofawildplantinSwedishcoastdifferencesinhabitatcouldleadtodifferentspeciesinbirdsaswellasinplantsManycharacteristicswerepassedonfromonegenerationtothenext，withoutinfluencebythee，
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