Answer:
Some organisms within a population may have skin that is less porous and so more resistance to the chemicals being absorbed. So, the ability to resist absorbing the chemical into the cytoplasm and body tissue is the main reason.
Explanation:
hope it helps.
Protons and neutrons are located in the nucleus. electrons are found on the electron cloud which surrounds the nucleus
The correct answer is C, oxygen. Oxygen was once harmful and used to cause harm to the DNA in primitive organisms.
Later on, the bacteria developed enzymes that prevented their DNA from damaging action of oxygen. Afterward, they evolved to use it for cellular respiration.