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Question
Identify the first living photosynthetic organisms on earth.
Identify the first living photosynthetic organisms on earth.
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Solution
The correct option is A Cyanobacteria
Cyanobacteria are the group of blue-green algae. These organisms possess the chlorophyll pigments which can be used for the production of food. These are considered as the first organism on the earth which were photosynthetic. The photosynthesis performed by these organisms helped in changing the concentration of oxygen in the atmosphere.Thus, the correct answer is option B.
Cyanobacteria are the group of blue-green algae. These organisms possess the chlorophyll pigments which can be used for the production of food. These are considered as the first organism on the earth which were photosynthetic. The photosynthesis performed by these organisms helped in changing the concentration of oxygen in the atmosphere.
Thus, the correct answer is option B.
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