Within any ecosystem, there is a fixed amount of energy available for
organisms to use. since organisms usually produce more offspring than a
given
ecosystem can support, this causes competition. They compete over who will be the dominant one and who will be left to die.
77*F
The asterik is supposed to be a dot Btw just sayin
Sympathetic nervous system and parasympathetic nervous system are the parts of autonomic nervous system that controls functions of the body unconsciously. The sympathetic nervous system regulates the response in situation of “flight or fight” situation. The parasympathetic nervous system maintain “rest and digest” response.
The part of the autonomic nervous system is at work in the given situations:
- Ross feels nervous because he misplaced his important work documents -Sympathetic nervous system.
- Dory sees a bear while hiking in the woods, and her heart rate increases- Sympathetic nervous system.
- Maya feels her heart rate slow down after strenuous exercising- Parasympathetic nervous system.
- Rodrigo’s breathing increases when he hears a scary sound- Sympathetic nervous system.
- Sofia’s muscles relax when she finds her missing cell phone Lisa feels calm after yoga class- Parasympathetic nervous system.
About "two-thirds" of the mass of this cell is water :)
