Giraffes are mammals with long necks, which allows them to feed on leaves high up in trees. One theory that explains how giraffes came to have long necks is natural selection. Which statement is part of the explanation for the development of long necks in giraffes by natural selection?
- AGiraffes with longer necks were better adapted to the environment than giraffes with shorter necks.
- BHumans selected giraffes with the longest necks and bred them together.
- CThere was no competition for food.
- DThere were no trees in the environment.