Why did charles darwin finally publish your results

Charles Darwin theory of evolution state that over time organisms will go under some form of change, whether its behavioral or physical. He initially started his research in the 1830s but didn't post his theory of evolution until 1859. Charles Darwin waited 20+ years to publish his theory because he was afraid of the impact it had on the opinions of many people and if they would have rebutted it or not.

Best of Luck!

i think it is dna, i'm not totally sure but i think it might be.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.