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Possible symbiotic or endosymbiotic relationships that gave rise to the first eukaryotic cells
Approach used to determine the evolutionary relationships among many animal species using molecular
Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I
Symbolic language may have helped reinforce exclusive sexual relationships within social groups in l
Ogburn's Processes of Social Change
Intracellular relationships involving the glyoxylate cycle in plant cells