ANTB15H3 Chapter Notes -Stone Age, Adaptation, Speciation
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The big picture on Evolution
Genetics provides the mechanism by which
natural selection occurs
•The general principle of Darwinian evolution have
been widely accepted
•Darwinian evolution raises controversy when for
instance quantum mechanics scarcely registers
on the public conciousness.
•The Big picture looks at the theory of evolution,
the evidence supporting it, unanswered questions
and history of public reaction.
•What forces control destiny of life on earth?
CULTURAL EVOLUTION:
•One of the strongest cultural systems is
language that shows clear signs of
evolutionary change
•It can be difficult to disentangle biological
and cultural explanations
•Neutral changes are important thanks to a
random process known as genetic drift
•How much evolutionary change due to drift is
not certain
•One of the strongest cultural systems is
language
•It can be difficult to disentangle biological
and cultural explanations
•Neutral changes are important due to the
genetic process of neutral drift
•How much evolutionary change is due to drift
is not certain