We would never have scales, feathers, or breasts if we didn't have teeth in the first place.
Your Inner Fish: A Journey into the 3.5-Billion-Year History of the Human Body (ed. Vintage, 2008) - ISBN: 9780307377166
We would never have scales, feathers, or breasts if we didn't have teeth in the first place.
Your Inner Fish: A Journey into the 3.5-Billion-Year History of the Human Body (ed. Vintage, 2008) - ISBN: 9780307377166