How did Drs. Peter and Mary Grant verify Darwin’s theory of natural selection?(1 point)

Question

Responses

by assessing changes in another animal trait
by assessing changes in another animal trait

by studying a different group of organisms
by studying a different group of organisms

by making observations over a long period of time
by making observations over a long period of time

by finding new species that adapted to a different environment

Answer 1

by making observations over a long period of time