Biotin, a growth requirement for four soil amoebae.
D000656:Amoeba / Q000208:ethnology*; D000818:Animals; D001710:Biotin / Q000494:pharmacology*; D007448:Invertebrates; D010829:Physiological Phenomena; D012987:Soil; D012988:Soil Microbiology
D012987:Soil; D001710:Biotin
AMOEBA/culture; BIOTIN/pharmacology; SOIL/microbiology