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evolution (evolution (traits (features, characteristics, behaviours),…
evolution
evolution
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traits
features, characteristics, behaviours
heritable
inherited, passed on by parents
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cetaceans
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wrist, hand, finger bones #
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comparative anatomy
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understand the adaptive changes they have undergone in the course of evolution from common ancestors
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dolphin
nostril grooves - blowhole #
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Darwins theory
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produce more young than necessary, then they can survive to reproduce
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whale ancestor fossils
nasal holes on the #front of the head
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fully developed leg bones #
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bird wings
modified hands and arms #
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fossil evidence
#geology and fossils of South America
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