<span>When new data calls current scientific explanation into question scientists must repeat the experiments to verify results and reevaluate said scientific explanations, if necessary, based on results, then scientists can develop a new hypothesis and test that.</span>
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I'm pretty sure the answers for this is D, C, and B.
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Explanation: Ctenophores move in water, they have a flapping motion.
hope this helps :)
The genetic change in a population or species over many generations is evolution. Whether it be physical or mental increase.
<span>This would be an example of a mutation, because the changing of allele frequencies would be a change within the gene itself, which would be a mutation in the DNA. This is evidenced by the fact that there is now a form of human resistance to malaria, due to changes within human DNA itself.</span>
