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Oldest proof of Earth’s photosynthesis
May 8 , 2024
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- Scientists have unearthed ancient microscopic thylakoid structures that offer valuable insights into the origination of photosynthesis.
- These minuscule fossils are preserved for over two billion years within ancient rock formations.
- These biological structures are remnants of cyanobacteria preserved in fossilized form, dating as far back as 1.75 billion years ago.
- This is to be the oldest recorded evidence of photosynthesis on Earth to date.
- Cyanobacteria are photosynthetic microscopic organisms.
- Thylakoids are linked disc-shaped sacs within the chloroplast’s interior membrane.
- They are essential in the process of oxygenic photosynthesis in cyanobacteria.
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