By Darwin, Charles, 1809-1882 . Genre Carnivorous plants / Plants / Assimilation . Names leaves / ammonia / drosera / plants / insects and 2791 more

By Groos, Karl, 1861- / Baldwin, Elizabeth L. / Baldwin, James Mark, 1861-1934 . Genre Play / Animal behavior . Names animals / animal / life / idea / called and 1593 more

By Darwin, Charles, 1809-1882 . Genre Carnivorous plants / Plants / Assimilation . Names leaves / drosera / ammonia / plants / insects and 3144 more

By Mills, Wesley, 1847-1915 . Genre Physiology, Comparative . Names animal / animals / life / eye / op and 4013 more

By Allen, Grant, 1848-1899 . Genre Plants / Popular works .

By Chapman, Frank M. (Frank Michler), 1864-1945 . Genre Birds / United States / Photography of birds . Names camera / rock / island / lens / sea and 858 more

Genre Science / Periodicals / Technology / Periodicals . Names life / called / sea / animals / order and 5633 more

By Vallery-Radot, Rene, 1853-1933 / Pasteur, Louis, 1822-1895 . Genre Pasteur, Louis1822-1895 . Names life / bacteria / animal / virus / animals and 959 more

By Haeckel, Ernst Heinrich Philipp August, 1834-1919 . Genre Evolution / Embryology, Human / Anatomy, Comparative / Man / Origin and antiquity . Names animals / vertebrates / simple / animal / called and 3400 more

By Mathews, F. Schuyler (Ferdinand Schuyler), 1854-1938 . Genre Trees / United States / Identification . Names leaves / bark / wood / trunk / fruit and 2019 more