के Darwin's Origin of Species Challenge ले Tjaz का नियमहरू तोडेको छ? के गलत छ भनेर हामीलाई भन्नुहोस्। एक जना मान्छेले त्यो हेर्नेछन्।
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.
