It was then that scholars discovered spermatozoa, bacteria, infusoria and the diversity of microscopic life.
Učenjaki srednjeveškega islamskega sveta, ki so pisali o biologiji so bili al-Jahiz (781–869), Al-Dinawari (828–896), ki je pisal o botaniki, in Rhazes (865–925), ki je pisal o anatomiji in fiziologiji.