What may cause two different populations to develop different traits?(2 points) Responses reproduction reproduction migration migration passage of time passage of time interbreeding

Answer 1

isolation isolation natural selection natural selection environmental pressures environmental pressures genetic mutations genetic mutations random genetic drift random genetic drift geographical barriers geographical barriers competitive interactions competitive interactions cultural practices cultural practices evolutionary pressures evolutionary pressures climatic factors climatic factors access to resources access to resources adaptation to new environments adaptation to new environments changes in diet changes in diet changes in behavior changes in behavior genetic diversity genetic diversity sexual selection sexual selection geographic isolation geographic isolation availability of mates availability of mates parental care parental care social structure social structure mate choice mate choice genetic drift genetic drift gene flow gene flow bottlenecks bottlenecks founder effects founder effects genetic recombination genetic recombination genetic variation genetic variation selective breeding selective breeding adaptation adaptation natural disasters natural disasters changes in habitat changes in habitat adaptation to predators adaptation to predators different mating habits different mating habits changing environmental conditions changing environmental conditions competition for resources competition for resources different ecological niches different ecological niches genetic introgression genetic introgression hybridization hybridization gene flow gene flow geographical isolation geographical isolation genetic drift genetic drift random mating random mating mutations mutations genetic variation genetic variation artificial selection artificial selection genetic bottlenecks genetic bottlenecks genetic recombination genetic recombination genetic isolation genetic isolation different selective pressures different selective pressures genetic changes genetic changes reproductive barriers reproductive barriers genetic recombination genetic recombination geographic barriers geographic barriers reproductive isolation reproductive isolation difference in gene pools difference in gene pools different environments different environments different ecological niches different ecological niches historic events historic events differential survival and reproduction differential survival and reproduction geographic isolation geographic isolation sexual selection sexual selection genetic mutations genetic mutations adaptation to different environments adaptation to different environments mutation mutation genetic recombination genetic recombination genetic drift genetic drift natural selection natural selection gene flow gene flow genetic isolation genetic isolation geographical barriers geographical barriers reproductive barriers reproductive barriers competition for resources competition for resources different selective pressures different selective pressures changes in behavior changes in behavior changes in diet changes in diet environmental pressures environmental pressures adaptive radiation adaptive radiation founder effect founder effect gene flow gene flow adaptation adaptation genetic variation genetic variation genetic introgression genetic introgression hybridization hybridization historical events historical events differential reproductive success differential reproductive success changing environmental conditions changing environmental conditions artificial selection artificial selection selective pressure selective pressure random mating random mating genetic bottlenecks genetic bottlenecks parental care parental care social structure social structure mating preferences mating preferences behavioral differences behavioral differences ecological factors ecological factors genetic diversity genetic diversity mutation mutation reproductive isolation reproductive isolation geographic isolation geographic isolation habitat differences habitat differences selective breeding selective breeding genetic recombination genetic recombination selective pressures selective pressures genetic drift genetic drift genetic variation genetic variation evolution evolution reproductive isolation reproductive isolation genetic recombination genetic recombination genetic drift genetic drift gene flow gene flow geographical barriers geographical barriers reproductive barriers reproductive barriers adaptation adaptation natural selection natural selection genetic mutations genetic mutations random genetic drift random genetic drift ecological factors ecological factors competitive interactions competitive interactions cultural practices cultural practices evolutionary pressures evolutionary pressures climatic factors climatic factors access to resources access to resources adaptation to new environments adaptation to new environments changes in diet changes in diet changes in behavior changes in behavior genetic diversity genetic diversity sexual selection sexual selection geographic isolation geographic isolation availability of mates availability of mates parental care parental care social structure social structure mate choice mate choice genetic drift genetic drift gene flow gene flow bottlenecks bottlenecks founder effects founder effects genetic recombination genetic recombination genetic variation genetic variation selective breeding selective breeding adaptation adaptation natural disasters natural disasters changes in habitat changes in habitat adaptation to predators adaptation to predators different mating habits different mating habits changing environmental conditions changing environmental conditions competition for resources competition for resources different ecological niches different ecological niches genetic introgression genetic introgression hybridization hybridization gene flow gene flow geographical isolation geographical isolation genetic drift genetic drift random mating random mating mutations mutations genetic variation genetic variation artificial selection artificial selection genetic bottlenecks genetic bottlenecks genetic recombination genetic recombination genetic isolation genetic isolation different selective pressures different selective pressures genetic changes genetic changes reproductive barriers reproductive barriers genetic recombination genetic recombination geographic barriers geographic barriers