This is referring to meiosis, which happens just once to make reproductive cells, unlike mitosis which is just simple copying.
In mitosis, one cell splits into two, but the number of chromosomes doesn't change. The original cell makes two copies of its chromosomes and divides them up.

In <em>meiosis</em>, however, our cell doesn't bother making those two copies. It just takes what it has and divides it between two new cells.
<span>The downward force acting on an object in free fall is the force of "GRAVITY"
And please try to put your questions in right subject section.
Hope this helps!</span>
There are living organisms that do these processes alongside one another to sustain a balanced cycle.
Answer:
The diffusion of water is called osmosis.
Explanation:
<u>Osmosis</u><u> </u><u>is</u><u> </u><u>a</u><u> </u><u>type</u><u> </u><u>of</u><u> </u><u>diffusion</u><u> </u><u>in</u><u> </u><u>which</u><u> </u><u>water</u><u> </u><u>molecules</u><u> </u><u>diffuse</u><u> </u><u>through</u><u> </u><u>a</u><u> </u><u>particular</u><u> </u><u> </u><u>permeable</u><u> </u><u>membrane</u><u> </u><u>of</u><u> </u><u>high</u><u> </u><u>water</u><u> </u><u>concentration</u><u> </u><u>to</u><u> </u><u>areas</u><u> </u><u>of</u><u> </u><u>lower</u><u> </u><u>water</u><u> </u><u>concentration</u><u>.</u>
This is what I found hopefully it helps :)