If an organism didn't have DNA, it would be missing which sign of life? A. one or more cells B. information system C. response to the environment D. complex chemical activities

The correct answer would be - option B. information system.

Explanation:

DNA is the unit of heredity as it contains the genetic code of an organism which is carried all the genetic information and transfer from the parent cell to the daughter cell. It also carries the information required for making all essential proteins in an organism.

So, if an organism did not have DNA, it would be missing the information system which is also responsible for the cell division other than given information.

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.