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.

We would never have scales, feathers, or breasts if we didn't have teeth in the first place.

We would never have scales, feathers, or breasts if we didn't have teeth in the first place.

We would never have scales, feathers, or breasts if we didn't have teeth in the first place.