please and thank you so much! I have selected responses, but am questioning if t

Question

please and thank you so much! I have selected responses, but am questioning if they are correct

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Question 1 2 pts CAM and C4 plants have evolved additional steps in the photosynthesis pathway. What promoted the evolution of these pathways? Low concentration of Carbon Dioxide in ancient atmosphere Low concentration of Carbon Dioxide at night Rubisco can bind to Oxygen and release Carbon Dioxide Rubisco binds to Carbon Dioxide more efficiently when oxygen is present Rubisco helps cells breath by binding to oxygen and releasing Carbon Dioxide O

Explanation / Answer

Que 1.

Ans:

CAM and C4 plants have evolved additional steps in the photosynthesis pathway. The evolution of these pathways promoted because: Low concentration of Carbon Dioxide in ancient atmosphere.

Explanation:

- C4 photosynthesis is a biochemical modification of the C3 photosynthesis process. CAM photosythesis is an adaptation to low water avilability.

- The reduction in atmospheric CO2 and the drying of the Earths climate are thought to have promoted C4 and CAM evolution.

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