Briefly summarize the difference between Kinetic and Potential Energy

All ova contain sex chromosomes corresponding to: x y xx xy

Which could be a pathway of food through an ecosystem

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.