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galina1969 [7]
3 years ago
14

Describe the biological chemical processes that are responsible for producing oxygen in Earth's atmosphere, eventually leading t

o the Cambrian Explosion.
6.

Explain the importance of oxygen in the evolution of large multicellular animal life.
7.


pennfoster.
History
2 answers:
lesya692 [45]3 years ago
7 0

Answer:

5. As earth cooled, carbon dioxide dissolved in the early ocean. Cyanobacteria consumes carbon dioxide and converted it to oxygen. Methane was removed from the atmosphere as oxygen was produced, eventually leading to the Cambrian explosion.

6. Metabolic processes that use oxygen produce more energy than anaerobic metabolism. Simple diffusion of oxygen would limit the size of a multicellular eukaryote, but animals evolved ways to transport oxygen to their tissues, which permitted an increase to their size.

Explanation:

vaieri [72.5K]3 years ago
3 0

Answer:

(6. As earth cooled, carbon dioxide dissolved in the early ocean. Cyanobacteria consumes carbon dioxide and converted it to oxygen. Methane was removed from the atmosphere as oxygen was produced, eventually leading to the Cambrian explosion.

(7. Metabolic processes that use oxygen produce more energy than anaerobic metabolism. Simple diffusion of oxygen would limit the size of a multicellular eukaryote, but animals evolved ways to transport oxygen to their tissues, which permitted an increase to their size.

Explanation:

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