Which of the following is a disadvantage of artificial selection?
Does not allow selection of traits
Creates inferior versions of organisms
Reduces the variation in a certain species
Reduces yield of food from animals and crops

The following is a disadvantage of artificial selection - Reduces the variation in a certain species

Artificial selection is the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and increase the yield.

Thus, The following is a disadvantage of artificial selection - Reduces the variation in a certain species

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A disadvantage of artificial selection is that it reduces the variation in a certain species.

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.