This freshwater biome is characterized by fast-flowing water that can originate from underground springs or runoff, which carries sediment and organic material.

Can a trait be both polygenic and have multiple alleles? explain why or why not.

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.

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.