Jenny wants to determine if a new brand name washing machine is better than here old detergent. she washes ten dirty t-shirts with the new washing detergent. after washing, she thinks they are cleaner using the new detergent. what can she do to be sure the new washing detergent works better than the old detergent? the hint is "consider what jenny is comparing the group treatment against."

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.