How does multicellularity evolve? Scientists who study a family of green algae that includes unicellular Chlamydomonas and multicellular Volvox are beginning to find answers to this question. Before ...
Chlamydomonas are single-celled green algae similar to pond scum. Like plants, Chlamydomonas cells make energy from sunlight. They swim toward light using a pair of whip-like flagella that ...
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