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Use "chimpanzees" in a sentence
"I hope you are aware that the genetic difference between humans and chimpanzees is “just” about 2%."
"It doesn't make sense to design a pseudogene (a gene that no longer functions as a gene) once, let alone twice — once in chimpanzees and once in humans."
"Well, according to “Comparative rates of violence in chimpanzees and humans” (Wrangham, Wilson, and Muller 2006, Primates 47: 1)"