Touch: Life Learns to Feel Force
About 3.72 billion years ago, right after LUCA, when cells emerged, touch became the most ancient form of biological sensing: required to physically navigate reality.
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Plants
The First True Eukaryotes
All life today are either Prokaryote or Eukaryote. Around 2 billion years ago, Eukaryotes evolved from Prokaryotes. The evolutionary leap to eukaryotes introduced cells with a nucleus and membrane-bound organelles, a complex architecture derived from prokaryotic predecessors through endosymbiosis. This process, crucial for eukaryotic evolution, involved the incorporation of prokaryotic cells into the cytoplasm of
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Prokaryotic Life
Prokaryotes are nucleus-free cells that include both bacteria and archaea — the two lineages that split shortly after LUCA.
Plant Ancestors Split from Animal and Fungi Ancestors
Around 1.65 billion years ago, major eukaryotic lineages diverged, setting the ancestral paths that would eventually lead to plants, fungi, and animals.
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Embryophytes: First True Plants
Around 470 million years ago, plants evolved a waxy cuticle to prevent water loss; only later did water-transporting vascular systems evolve.
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