Invasive species can impact ecosystems by...
A. Decreasing native wildlife habitat B. Destroying recreation areas C. Displacing native species D. All of theses

answer; hypnagogic sensations)

answer; ///(b) it is composed of four protein chains and four heme groups;

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.