They only vary only in their "Lipid Groups"
Hope this helped you!:)
Answer:
b
Explanation:
animals need energy to survive basically to breakdown materials too
The enzyme that is present within the stomach and the lining of the muscular gland, would function optimally in high H+ concentration and would require much HCl needed for an appropriate pH environment to function
This would be pepsin, I believe.
It is gotten from the atmosphere by respiration, burning of fossil fuel, decay, excretion and decomposition of organic matter, fossilization etc
The answer is C since heterotroph means they don't have a way of making food
