When an insect is feeding on a plant which types of tissue

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.

Produce proteins by following coded instructions that come from the nucleus of the cell.

The changes that the students observed, rapid breathing and sweating, would be classified as a to a change in a system.