Which of the following terms refers to the groupings of plants which consistently produce plants of the same types? O Species
O Family
O Genus
O Variety

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

i am going to guess that it is co2.

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.