What can we NOT learn from the fossils found in rock strata? A. when a species became extinct

B. the exact age of each individual fossil

C. the diversity of organisms at a certain location or during a certain time period

D. how a type of organism has changed over time

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.