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Module 9: Evolution

Across
The study of fossils.
Distinct layers of rock
The idea that each individual species on the planet was specially created by God and could never fundamentally change.
The theory that natural selection can, over time, take an organism and transform it into a more specialized species of that organism.
Down
The hypothesis that processes similar to those at work in microevolution can, over eons of time, transform an organism into a completely different kind of organism.
The study of similar structures in different species.
Preserved remains of once-living organisms.