Mitochondria the "battery " on the cell<span />
<span>The endosymbiotic theory designates how a large host
cell and consumed bacteria could simply become dependent on one different
for survival, thus resulting in a permanent relationship. The explanation behind
the origin of the two mitochondrial membranes is the inner membrane was derived
from folding of the prokaryotic plasma membrane and the outer from folding in
of the eukaryotic plasma membrane.</span>
Vomit? Idk exactly what the questions means...have you tried google??
The saliva has enzymes that start to break down food using the lock and key system.The teeth chews the food and begins mechanical break down of food
They are desert plants that don't need lots of water.
