Question

What made oxygen+breathing organisms to exist?

Answer 1

The answer is minuscule living beings known as cyanobacteria, or blue green growth.

How is it so?

• These organisms lead photosynthesis: utilizing daylight, water and carbon dioxide to deliver starches and, indeed, oxygen.

While did breathing exist?

• Proof of Earliest Oxygen-Breathing Life on Land Discovered.
• A spike in the chromium contained in old stone stores, set down almost 2.5 quite a while back, uncovers what gives off an impression of being the earliest proof for oxygen-breathing life ashore.

How did high-impact microorganisms advance?

• A portion of these oxygen-utilizing microbes were gobbled up by bigger cells who then, at that point, involved them as specific intracellular breathing compartments.
• The microscopic organisms became mitochondria, and the cells with mitochondria developed greater and shaped more intracellular compartments.

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