Answer: "carry capacity" .
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Answer:
The concept predates the term; Plato suggested applying the principles of selective breeding to humans around 400 BC. Early advocates of eugenics in the 19th century regarded it as a way of improving groups of people. In modern usage, the term eugenics has close ties to scientific racism and white supremacism.
Explanation:
Microorganisms are used in making of bread, tooth paste, dough, pizza etc. they are even used in making vaccines antibiotics. only some microorganisms are harmful