What does it mean when it says same dna in all tissues?

Based on the evidence in the excerpt above, describe in your own words what it would have been like for a person to enter a meat processing plant in the united states

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable