short sections of DNA that code for a characteristc
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A random change in DNA is called a __________.
mutation
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What is genetic variation?
when the members of a species have unique DNA
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Who were the 3 scientists that discovered DNA? (last names only is OK)
Watson, Crick, Franklin
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Who is the "father of evolution"?
Charles Darwin
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This is the process by which organisms change gradually over time to form new or different species.
Evolution
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Humans and chimpanzees share a common __________.
ancestor
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Name this process: over many generations, a species will adapt to its environment because the animals with the most successful variation are more likely to survive and pass genes.
ADAPTATION
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What are the "buildings blocks of life"?
cells
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Where is DNA found?
in the nucleus of a cell
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When a species no longer exists.
extinction
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A trait or characteristic that increases an organism's ability to survive, and therefore reproduce