The insects are the most diverse group of animals on Earth, with approximately 1 million species described, more than all other groups of animals together. It is estimated that there are 200 million insects for every human being and some tingling can contain more than 20 million individuals, i.e. almost two populations of the city of São Paulo there in your backyard. The insects are characterised by having one pair of antennae, three pairs of legs and (not necessarily) two pairs of wings.
As stated previously, the insects are part of the most diverse group of animals on the planet. Although there is a consensus among entomologists, it is estimated that there are from 5 to 10 million different species, with 1 million already catalogued.
The most interesting thing about these animals is that they can be found in nearly all ecosystems on the planet, although only a small number of species have adapted to marine life.
Just to have an idea of this diversity, almost entirely unknown, there are approximately 5 thousand species of Odonata (dragonflies), 20 thousand of Orthoptera (grasshoppers and crickets), 170 thousand of Lepidoptera (butterflies), 120 thousand of Diptera (flies), 82 thousand Hemipteros (bed bugs and aphids), 350 thousand of Coleoptera (beetles) and 110 thousand of Hymenópteros (bees, wasps and ants). Is soft or want more? This post makes a small defendant of interesting images of this class of animals.
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