Answer:
Tyrosine derived neurotransmitters
Explanation:
These neurotransmitters are produced as a result of the conversion of tyrosine when not incorporated into proteins or energy production is converted to catecholamines.
These catecholamines includes dopamine, norepinephrine, and epinephrine.
All these three catecholamines produce various effects in numerous locations in the body acting either as a neurotransmitter or as a hormone
<span>This is invalidate, because the amount of energy should stay constant.</span>
Abiotic is the non living organisms and biotic is the living organisms.
Cant you just look this stuff up
The last one is the correct answer