Endosymbiotic Theory
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=_2UdPSxd0L4
The endosymbiotic theory suggests that complex cells (eukaryotes) evolved when one single-celled organism engulfed another, leading to a symbiotic relationship. This is believed to be the origin of mitochondria and chloroplasts in cells. #Shorts
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