INSECTS are a group of invertebrates (Phylum Arthropoda) belonging to the class Insecta, which is larger than all other animal groups combined. As a group, insects are of great ecological significance. While our knowledge about insects and their roles is incomplete, we know that insects are vital in maintaining ecosystems. Two-thirds of all flowering plants are dependent upon insects for pollination; the principal pollinators are bees, wasps, flies, BUTTERFLIES AND MOTHS. Insects are critical...

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