They are the link between the sun's energy and the organisms that cannot manufacture their own food. Without an abundant amount of autotrophs<span> we would be severely lacking in atmospheric oxygen and food.</span>
A genetic mutation is a permanent modification in the DNA sequence of a gene to what is found in most people.
There aren't enough oxygen molecules in the air are higher altitudes
The heart gets its nourishment through nutrient rich blood through the <span>myocardium. Eating heart healthy foods full of omega 3's will help keep the heart healthy.
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<span> A Kingdom of Domain Eukarya are the prokaryotic organisms that belong to their own super kingdom.</span>
