Answer: psychology is a science.
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Answer:<u><em> The Endosymbiotic theory</em></u></h3>
Explanation:
The Endosymbiotic Theory states that the mitochondria and chloroplast in eukaryotic cells were once aerobic bacteria (prokaryote) that were ingested by a large anaerobic bacteria (prokaryote). This theory explains the origin of eukaryotic cells.
To plant it to the ground
B) they have thick, pleated stems