Which d these statements is true about the oxygen revolution? a- cyanobacteria were the first organisms to introduce oxygen into the atmosphere. b- protocells were the first organisms to produce oxygen in water, which then escaped into the atmosphere. c- cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere.

This is a type pf behavior that animals are born with and them to survive

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar

People with one sickle cell allele are not likely to get malaria. what is this an example of?