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Prior to the divergence of animals, it is proposed that a unicellular ancestor, likely resembling modern choanoflagellates, developed the key shared trait of multicellularity. This ancestor is believed to have formed simple colonies, leading to the evolution of more complex multicellular organisms. The development of cell adhesion and signaling mechanisms in these early ancestors laid the foundation for the diverse body plans and functions seen in modern animals.

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2w ago

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Did humans evolve yes or no?

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