How a simple algae transformed the Earth into a green, habitable planet
In short: Around 470 million years ago, a single type of algae made the transition from water to land. This event fundamentally changed the atmosphere and laid the groundwork for all modern land plants.
Approximately 470 million years ago, an algae species successfully colonized land. This migration was a pivotal moment in Earth's history, as the organism began to alter the planet's atmospheric chemistry and establish the ecological foundations necessary for future life forms.
This ancient algae is the ancestor of all land plants existing today. By turning the landscape green, it created the essential habitats that allowed complex life to eventually flourish across the globe.
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Sources
- Summary by Intellect · source: The Remarkable Mystery of Land Plants
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