Neanderthalensis - A species that humans probably bred with (1), Three - The approximate age of the homo genus (to nearest mya) (single number spelt out), Diet - The demands of a larger brain mean a richer ______ was required in hominids (1), Fossil record - Gaps in this make it impossible to be certain exactly when things first evolved or what they evolved from (2), Africa - The continent that the homo genus is likely to have originated from (1), Ethiopia - Where the only Ardipithecus radius fossils have been found (1), 140000 - The approximate age of the homo sapien species (number), Social - Evolution that does not effect the gene pool but effects the behaviour of a population (1), Brain - This had to become larger in hominids to cope with the demands of social evolution (1),

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