The oxygen revolution changed Earth’s environment dramatically. Which of the following adaptations took advantage of the presence of free oxygen in the oceans and atmosphere?

The evolution of cellular respiration, which used oxygen to help harvest energy from organic molecules.

The evolution of chloroplasts.

The persistence of some animal groups in anaerobic habitats.

Question

The oxygen revolution changed Earth’s environment dramatically. Which of the following adaptations took advantage of the presence of free oxygen in the oceans and atmosphere?



The evolution of cellular respiration, which used oxygen to help harvest energy from organic molecules.



The evolution of chloroplasts.



The persistence of some animal groups in anaerobic habitats.

aaronq · Answer

The evolution of cellular respiration, which used oxygen to help harvest energy from organic molecules.

alphadxg · Answer

Yup, B is the correct answer.

koikkara · Answer

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