What caused england's biston betularia moth populations to change over time from light colored to dark colored? addition of new alleles recombination changes in allele frequencies overproduction

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Why is it important that fibrin is insoluble in water?

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.