This imaging test can tell you the speed and direction of blood flow? ultrasound
ct
mri
none of the above

Which part of cellular respiration must occur before any of the other steps can occur

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

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.