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The American Biology Teacher (2012) 74 (2): 74–80.
Published: 01 February 2012
... that was neither a chimp nor a human – in other words, humans did not evolve from chimps – and, though chimps are humans' closest living relatives, we are characterized by distinct evolutionary histories. Figure 1. (A) Anagenesis versus (B) cladogenesis. (A) Anagenic evolution occurs within and...