Would topic sentence #1 or #2 be best for the following sentence? super mario has non-stop action and is a lot of fun to play. #1 #2

Which of the following statements describes how the characteristics of different species of mammals reflect the evolutionary relationships among those species? shared anatomy among mammals, such as hair and mammary glands, suggests that a common ancestral species had these features. similarities in the dna and protein structures of mammal species suggest that these species evolved from a common ancestor. although all modern species of mammals share some features, the differences between them mean they cannot share a common ancestor.

All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.

The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)