Joseph is late for school. His homeroom is on the 4th floor so he runs upstairs so he's not marked late. He tells his homeroom teacher. I'm here!" while trying to catch his breath
A. Identify 2 body systems Joe used in this situation
B. Explain how those 2 body systems worked together to get him to homeroom on time.

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.