10. We are not descended from Chimpanzees gorillas common chimpanzees bonobos Homo sapiens sapiens Archaic Homo sapiens Neanderthal Homo erectus Homo habilis Australopithecus afarensis Australopithecus africanus Australopithecus robustus
11. When did Language Evolve? gorillas common chimpanzees bonobos Homo sapiens sapiens Archaic Homo sapiens Neanderthal Homo erectus Homo habilis Australopithecus afarensis Australopithecus africanus Australopithecus robustus
12. When did Language Evolve? gorillas common chimpanzees bonobos Homo sapiens sapiens Archaic Homo sapiens Neanderthal Homo erectus Homo habilis Australopithecus afarensis Australopithecus africanus Australopithecus robustus
13. When did Language Evolve? gorillas common chimpanzees bonobos Homo sapiens sapiens Archaic Homo sapiens Neanderthal Homo erectus Homo habilis Australopithecus afarensis Australopithecus africanus Australopithecus robustus
14. When did Language Evolve? gorillas common chimpanzees bonobos Homo sapiens sapiens Archaic Homo sapiens Neanderthal Homo erectus Homo habilis Australopithecus afarensis Australopithecus africanus Australopithecus robustus
15. When did Language Evolve? gorillas common chimpanzees bonobos Homo sapiens sapiens Archaic Homo sapiens Neanderthal Homo erectus Homo habilis Australopithecus afarensis Australopithecus africanus Australopithecus robustus
16. How long has language been evolving for? gorillas common chimpanzees bonobos Homo sapiens sapiens Homo erectus Homo habilis Australopithecus afarensis 5 million years ago chimp-human common ancestor
26. Gradual Evolution Ugh Ugh-Ugh Food We hunt Many buffalo there Don’t attack until I say Let’s take the kill back to the others I have seen herds of antelope over the hill. I think we should move there. Let’s spend the winter here. It’s more sheltered and there are many animals to hunt Because out language skills got better we survived better. But it all happened slowly and gradually.
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34. K.E. Family Tree F (74) – husband F (46) – husband M – wife F (38) - husband F (43) – husband M (40) – wife F (17) M (16) F (12) M (8) M (20) F (18) F (21) F (17) F (12) F (11) M (7) M (10) F (7) F (5) F (2)? M (17) M (15) M (14) F (12) M (10) M (8) F (7) M (6) F (6) fraternal twins Red family members have impairment Black members have no impairment at all No spouses had language impairment
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