Answer:
Omega-3 Fatty Acids
Essential fatty acids cannot be produced in the body in needed amounts, so they must be consumed through the diet. They are classified as omega-3 and omega-6 fatty acids.
Explanation:
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Gene mutation is a change in the nucleotide sequence, in a particular gene, whereas chromosomal mutation is a change in several genes, in the chromosome. ... Gene mutation is only a slight structural alteration, whereas chromosomal mutations are either numerical or structural changes in the entire DNA strand.
<span>Because they don't know any better. Aspirin is a great molecule, but it shouldn't be considered first-line therapy for stomachaches.</span>
Natural selection is species survival and reproduction due to differences in some traits that give them an advantage over others
A closed loop system is one where the ouput of the system is at least part of the input. In a refrigerator, the output of the cooling system (the cold air inside the refrigerator) is measured, and is fed back into the system to determine whether the system needs to continue cooling.
<span>An example of a fridge that was an open loop system would be one that turns on and cools for 1 hour every 6 hours, regardless of internal temperature.</span>