Question

Suggest why two different process may have evolved to deal with the problems of oxygen limitation

Answer 1

Answer:

Oxidative respiration is the reverse process as O2 accepts four electrons successively ... Hydrogen may have been the first electron donor and CO2 the first electron ... 157) suggests that eukaryotes may have originated from various forms of ... Origin of Vertebrate Lungs: The Lung/Swimbladder Problem ... Cancer Treat Res.

Explanation:

Answer 2

Answer:

i have no idea i need help that i need a answer so that my teacher doesn't suspect me

Explanation: