Tina is getting ready to plan her science fair project. She is interested in doing something with tomato plants. Which of the following could be tested through scientific experimentation? A. Which variety of tomato plant produces the tomatoes that taste the best? B. Which variety of tomato plant will look the most attractive in her garden? C. Which variety of tomato plant will produce the greatest yield in her garden? D. Which type of fertilizer will produce the tastiest tomatoes?

Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?