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- Plant life began as follows1234:
- The earliest plants evolved in the ocean from a green alga ancestor.
- They were among the earliest organisms to leave the water and colonize land.
- The evolution of vascular tissues allowed plants to grow larger and thrive on land.
- Fossilized spores resembling those of living plants called liverworts date back to around 470 million years ago.
- Early land plants evolved from hairlike green algae that prospered on the edges of ponds.
- Land plants might have evolved as early as 1 billion years ago.
- Molecular clock methodology suggests that plants started to colonize terrestrial environments around 500 million years ago.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.The earliest plants are thought to have evolved in the ocean from a green alga ancestor. Plants were among the earliest organisms to leave the water and colonize land. The evolution of vascular tissues allowed plants to grow larger and thrive on land.bio.libretexts.org/Bookshelves/Introductory_and_G…It was during the Ordovician period (485–444 mya) that the first plants gained a foothold on land. In rocks dating from 470 mya, we find fossilized spores resembling those of living plants called liverworts. Research indicates that these early land plants evolved specifically from hairlike green algae that prospered on the edges of ponds.www.bbg.org/article/great_moments_in_plant_evol…Land plants evolved from a group of freshwater green algae, perhaps as early as 850 mya, but algae-like plants might have evolved as early as 1 billion years ago.en.wikipedia.org/wiki/Evolutionary_history_of_plantsHowever, research using “ molecular clock ” methodology, which uses genetics to estimate how long species have been separated from a common ancestor, suggests that plants started to colonize terrestrial environments around 500 million years ago, about the middle of the Cambrian Period.www.britannica.com/plant/plant/Evolution-and-pale… - People also ask
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