A study of a population of the goldenrod Solidago altissima finds that large individuals consistently survive at a higher rate than small individuals. Assuming size is an inherited trait, the most likely evolutionary mechanism at work here is

In response to framton's dialogue about his health issues, mr. sappleton replies: "no? " said mr. sappleton, in a voice which only replaced a yawn at the last moment. then she suddenly brightened into alert not to what framton was saying. what does this statement reveal about how mrs. sappleton feels about framton? a) she finds him boring. b) she's happy he came by. c) she finds him annoying. d) she feels sorry for him