An ecosystem is composed of only one community. Please select the best answer from the choices provided

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F

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Which characteristics are typical of a human population in the postindustrial stage?

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.