Look at the cross section of a cell membrane of a eukaryotic cell. Na+ ions are being pumped from a low concentration to a high concentration. How do you describe this type of transport across the cell membrane?

Plasma
membrane
Extracellular space
Sodium
AT p
Cytoplasm
Potassium
O
ggg
0
0
ADP
O

A. active transport

B. diffusion

C. facilitated diffusion

D. osmosis

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.