In order for an organism to survive, they must be able to do what?

Which action is a reflex action. a. asking for coffe in a cold climate b. blinking when light is flashed in the eyes c. drinking water when thirsty. d. swallowing food e. taking an exam

Idon’t understand this can someone give me the answer? you

In the absence of oxygen the net gain of atp for each glucose molecule during glycolysis is approximately