Link selection pressure and isolation to changing allele frequencies and reproductive barriers, explaining how separated populations can diverge into new species in Cambridge A…
Myosotis is a genus of small flowering plants. Many different Myosotis species grow on the islands of New Zealand, which are an important site of Myosotis evolution. Lowland Myosotis species grow at low altitude while alpine Myosotis species grow at high altitude at the tops of mountains.
State two factors, other than natural selection, that could drive genetic changes in populations of Myosotis.
any two from:
1 genetic drift / bottleneck / founder effect ;
2 migration ;
3 mutation ;
4 artificial selection / selective breeding ;