Male American goldfinches grow yellow feathers during the mating season and will attack another goldfinch in its territory if it also has yellow feathers. What term describes the yellow feather stimulus in this example? releaser

simulation

warning coloration

mimicry

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species