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Chapter 17: Darwin's Evolution
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Humans and apes share a ___, that is estimated to be ___ years old.
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common ancestor, 7 million
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isabelrpatton
Terms in this set (75)
Humans and apes share a ___, that is estimated to be ___ years old.
common ancestor, 7 million
Humans and apes share ___ percent of their DNA. The 3% difference was caused by ___.
97, mutations
T/F: Humans evolved from apes.
false
Scientists found a skeleton named ___ (female), which was estimated to be ___ years old.
Lucy, 3 million
Skeletal bones tell us about a species ___.
traits
___ bones tell us the size of a organism's brain. A larger brain size often allows for a ___ level of intelligence.
Skull, higher
Jaw bones tell us about a specie's ___, based on the shape of their ___.
diet, teeth
___ bones allow scientists to determine the ___ (wider=female) of an organism, along with determining if the organism can stand upright.
pelvic, gender
Hand bones allow scientists to determine if an organism is able to grasp and hold objects, with an ___.
opposable thumb
Scientist found a fully intact skeleton in ___(country), named ___. (male)
Ethiopia, Arty
