How is DNA responsible for the similarities and differences between parents and offspring

Explanation: DNA is little strands of genetic codes that is developed when we are first concieved. When we are concieved, all of our genetic information from our parents is passed down to us. That genetic information is what determines which trait we get from each parent.

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.

is this for the e2020 class