Where’s the key to answer the question?
NO ALL INSECTS ARE NOT HARMFUL
Not all bugs are bad. Insects get labeled as "pests" when they start causing harm to people or the things we care about, like plants, animals, and buildings. Out of nearly one million known insect species, only about one to three percent are ever considered pests.
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Mouth, esophagus, stomach, small intestines, large intestines, out the body
The answer is D. ribosomes
