PLEASE HELP I LITERALLY BEG What’s the difference between transformed and untransformed bacteria

Select the correct answer from each drop-down menu proteins are

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.

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million