The cell surface membranes of some cells are largely made up of phospholipids and cholesterol with few proteins. Which transport mechanisms will be reduced across these membranes? 1 facilitated diffusion 2 active transport 3 diffusion A 1 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

How does photosynthesis show the conservation of mass and energy?

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.