Question

How did Drs. Peter and Mary Grant verify Darwin’s theory of natural selection?(1 point)Responsesby studying a different group of organismsby studying a different group of organismsby making observations over a long period of timeby making observations over a long period of timeby finding new species that adapted to a different environmentby finding new species that adapted to a different environmentby assessing changes in another animal traitby assessing changes in another animal trait

Answer 1

By making observations over a long period of time — they tracked changes in Galápagos finch beak size and shape across generations and linked those changes to environmental pressures (food availability), demonstrating natural selection in action.