ecology (n.)

• agrobiology
• anatomy
• anthropology
• astrobiology
• bacteriology
• biochemistry
• biology
• biometrics
• biometry
• bionics
• bionomics
• biophysics
• botany
• conchology
• cryobiology
• cybernetics
• cytology
• ecosystem
• element
• embryology
• entomology
• enzymology
• ethology
• exobiology
• genetics
• herpetology
• ichthyology
• malacology
• mammalogy
• medium
• microbiology
• ornithology
• parasitism
• pharmacology
• physiology
• protozoology
• radiobiology
• symbiosis
• taxidermy
• taxonomy
• virology
• zoology