Which statement about ecosystems is false? most ecosystems get energy from the sun. ecosystems are units of nature. ecosystems are closed systems. all of these statements about ecosystems are false. none of these statements about ecosystems are false

ecosystems are closed systems

Explanation:

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.

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