The transition from single to multi-celled organisms may have started with cell colonies.

Question

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Some scientists believe that the transition from single to multi-celled organisms started with cell colonies, where individual cells began to work together for survival and eventually became specialized. This idea is supported by the fact that many single-celled organisms today form temporary or permanent colonies for various purposes. However, this is just one theory and the exact process of how multi-cellularity evolved is still not fully understood.

The Transition from Single to Multi-Celled Organisms May Have Started