For hot or cold you can make sure to replenish electrolytes. Make sure you are dressing appropriately in cold weather (dressing warm enough but not too warm because of overheating). If you are exercising in hot weather make sure to be hydrated when you start, drink water throughout, and pay attention to your body and if you are overheating make sure you stop and take a rest or slow down.
When organism adapt there is a greater chance or survival.
The answer is: B
<span>Vitamins are essential for B. METABOLISM to occur
Vitamin A is for your eyesight. It makes you see clearly. It also helps you fight infection by boosting your immune system.
Vitamin B (</span><span>B1, B2, B6, B12, niacin, folic acid, biotin, and pantothenic acid) are important for metabolism. It helps make energy and releases said energy when your body needs it. It also helps in making red blood cells.
Vitamin C helps you resist infection and helps keep your body tissues in good shape.
Vitamin D strengthens your bones and teeth.
Vitamin E protects your cells and tissues from damage.
Vitamin K enables your blood to clot and stops your bleeding when you're injured.
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