Why is maintaining a constant internal temperature necessary?

Homeostasis is the maintenance of a constant internal environment. Automatic control systems throughout the body maintain temperature and water at steady levels, which are required for cells to function properly. ... They affect temperature, blood oxygen levels, hydration and salt levels.

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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sex cells are usually half's then they find another half and make a fertilize egg