Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Twogroupsofanimalsaredefinedasdifferentspecies,whenindividualsfromonegroupdon't mateandreproducewiththosefromtheother.Onewayforonespeciestosplitintotwoisfor populationstoseparategeographically.Overmanygenerationstheycanundergoenough changesintheirrespectivehabitats,thatif,andwhentheycomebacktogetheragain,they don'tmate.Nowsupposethatapopulationoftheselizardsendedupinanareathatismuch moreopenandsunnier.Inthatcase,alightcoloreddewlapisn'tveryeffective.Soovertime thepopulationwouldevolvetohavedarkerdewlaps.Ifforsomereasonthesetwopopulations cometogether,thefemaleswouldnolongerrecognizethemalesasmembersofthesame species.Theywouldn'tmate.Theywouldbereproductivelyisolated.Oncenewspecieshave formed,competitiondrivestheevolutionofbodytypes.Specieslivinginthesamearea competeforresources.Butifmembersofonespeciesmoveintoanotherhabitat,theycanuse resourcesnotavailabletotheotherspecies.Overmanygenerations,naturalselectionfavors traitsthatenablesspeciestooccupydifferenthabitats.