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Transcript

Key insights that led Darwin to the
theory of evolution:
ïµ
Artificial selection- Darwin noticed a lot of variation of
traits in domesticated animals and plants. Humans can
increase the chances of certain traits being passed down.
ïµ
Heritability â Natural Selection can only act on traits that
already exist. Traits must be heritable in order to be
passed down
ïµ
Struggle for survival â There is only so much food and
resources available so only the most âfitâ survive.

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