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Unit 13

evolution vocabulary

TermDefinition
evolution A change in species over time
similarities Charles Darwin noticed ____ among finches.
beak The shape of the finch's ____ was adapted to the type of food they ate.
fossils Scientists dig up ___ to compare the bones of organisms.
DNA The more similar the ____ is, the more related species are to each other.
evidence Physical similarities, DNA sequences and fossil records all provide scientists with ____ for the theory of evolution.
Darwin Studied many different living organisms while on his journey; Natural Selection
Natural Selection Organisms best suited for their environment survive and reproduce
camouflage blending in with your environment
four key points of natural selection variation, overproduction, competition, environment selects
speciation formation of a new species
variation differences among species