Which of the following is often provided by anthropologists and biologists as a possible explanation for the development of bipedal hominids?

a. standing upright allowed for better foraging of tree fruits
b. standing upright allowed for more efficient movement
c. standing upright allowed for sightlines over tall grasses and savannah shrubbery
d. standing upright allowed for better three climbing

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

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.

Which hypothesis most likely explains the results at 60°c and 70°c