A change in the allele frequency of a population over time is called natural selection
survival of the fittest
adaptation
evolution

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Which is one example of a phenotypic change that is not genetic

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above