Based on the diagram above, in which layer of the intestines do nutrients enter the circulartory and lymphatic systems? A
B
C
D

How does natural selection change thephenotypes within a population over time?

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

Which description provides the best objective summary of the article in the passage?