response to oxygen levels
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus reflecting the presence, absence, or concentration of oxygen.
GO:0009628
response to abiotic stimulus
is_a
SPBC3B9.15c SPCC285.11 SPAC1565.08 SPBC6B1.08c SPAP8A3.02c SPCC4B3.07