An energy pyramid shows that about 10 percent of the energy represented in each trophic level is A recycled by the ecosystem.
Blost to the environment as heat.
© used by decomposers.
D passed on to the level above it.

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.