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Photosynthetic autotrophs are organisms that use light energy and carbon dioxide to make sugar and oxygen. Aerobic heterotrophs, on the other hand, are organisms that use oxygen and organic carbon for energy, and release carbon dioxide as a waste product. Earth's early atmosphere contained very little free oxygen.

Based on the information above, which of the following is most likely true?

A. Photosynthetic autotrophs require high levels of oxygen for survival.
B. Aerobic heterotrophs do not require access to oxygen for survival.
C. Photosynthetic autotrophs evolved before aerobic heterotrophs.
D. Aerobic heterotrophs evolved before photosynthetic autotrophs.

Sagot :

GinnyAnsweridn

Final answer:

Photosynthetic autotrophs evolved before aerobic heterotrophs due to their role in producing energy for ecosystems.


Explanation:

Photosynthetic autotrophs are organisms that utilize light energy and carbon dioxide to produce sugar and oxygen, while aerobic heterotrophs use oxygen and organic carbon for energy and release carbon dioxide as a waste product. Earth's early atmosphere had very little free oxygen. Photosynthetic autotrophs evolved before aerobic heterotrophs as they play a crucial role in producing energy for ecosystems.


Learn more about Autotrophs here:

https://brainly.com/question/43789900


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