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Hace 12 horas · On the Origin of Species (or, more completely, On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life) is a work of scientific literature by Charles Darwin that is considered to be the foundation of evolutionary biology.It was published on 24 November 1859. Darwin's book introduced the scientific theory that populations evolve ...
Hace 12 horas · An Anthomyiidae species showing characteristic dipteran features: large eyes, small antennae, sucking mouthparts, single pair of flying wings, hindwings reduced to clublike halteres. Flies are insects of the order Diptera, the name being derived from the Greek δι- di-"two", and πτερόν pteron "wing". Insects of this order use only a single pair of wings to fly, the hindwings having ...
