Darwin's Origin of Species Challenge Tjaz правилисене пӑсать-и? Мӗн тӗрӗс маррине пӗлтер, пӗр ҫын ӑна пӑхса тухӗ.
Darwin's Origin of Species ChallengeTest what you know about Darwin's big idea of natural selection, from pigeons and ants to fossils and far-off islands.
