Mitochondrion is found outside of nucleus in animal cell .
So , i think the answer is B.
The effects could be, the top consumers may run out of food, which would make it harder for them to catch food
In facilitated diffusion, substances move into or out of cells down their concentration gradient through protein channels in the cell membrane. Simple diffusion and facilitated diffusion are similar in that both involve movement down the concentration gradient.
The property of all ionic compounds that makes chalk particularly useful for writing on a chalkboard is : Hardness and Brittleness
Those properties make chalk leaves residues on the board every time friction happen between the chalk and the board
hope this helps<span />
