Which of the type of respiration probably arose first?
Aerobic as it releases more energy
Anaerobic as it releases more energy
Aerobic as it is more complex
Anaerobic as early atmosphere contained no free from of oxygen
Which of the following is the correct order of evolutionary history of man
Which of the following experiment suggested that simplest living organisms could not have originated spontaneously from non-living matter?
The Darwinian variations are