Which area of rivers and streams will most likely contain the most sediment?
a.
the source
b.
the mouth
c.
the middle portion
d.
none of the above

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?