A food chain is a linear representation of the energy going through organisms while a food web shows multiple connections between the organisms.
Answer:a compound present in the body as a neurotransmitter and a precursor of other substances including epinephrine
Explanation:
It is called Adenosine Tri-Phosphate
The answer to this question would be labile.
A permanent cell is the one that will not divide after fully developed. This includes the heart and brain cells. That is why when these organs damaged there will be a permanent loss of function.
Stable cell only divides in some occasion. The example would be liver cells or kidney cells.