Organisms that must eat or consume other organisms to obtain energy are: Group of answer choices

autotrophs

chemotrophs

heterotrophs

xylotrophs

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.