aerobiology agrobiology anatomy astrobiology autecology bacteriology biochemics biochemistry biochemy bioecology biological science biology biometrics biometry bionics biophysics botany cell physiology cryobiology cybernetics cytology ecoclimate ecodeme ecology ecosystem electrobiology element embryology enzymology ethnobiology exobiology genetics gnotobiotics life science medium microbiology molecular biology pharmacology physiology radiobiology synecology taxonomy virology xenobiology zoology