Hunter is studying for his ecology test. Which fact would least likely show up in his notes
Populations can have negative effects on their environment.
Populations can affect the size of other populations
Populations have no effect on their environment.
Populations can adapt to changes in the environment.

population have no affect on the environment

Explanation:

I think because all population has factors that makes for a good environment

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.

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem