What is the effect of the type of food available on the frequency of different types of bird beaks of the type of food available changes then ?

How many types of rock can form from the rock cycle

Each hereditary trait corresponds to

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.