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What were some of the first oxygen producing live forms on earth? Question 14 options: seaweeds cyanobacteria ferns dinosaurs

What were some of the first oxygen producing live forms on earth? Question 14 options: seaweeds cyanobacteria ferns dinosaurs
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What were some of the first oxygen producing live forms on earth?

Question 14 options:

seaweeds


cyanobacteria


ferns


dinosaurs

asked
User Jwize
by
7.1k points

1 Answer

3 votes
The answer is tiny organisms known as cyanobacteria, or blue-green algae. These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, yes, oxygen
answered
User Themullet
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