Plans are a set of two dimensional diagrams or drawings used to describe a place or object, or to communicate building or fabrication instructions. Usually plans are drawn or printed on paper, but they can take the form of a digital file.
Scorpions are predatory arthropod animals of the order Scorpiones within the class Arachnida. There are about 2,000 species of scorpions, found widely distributed south of about 49° N, except New Zealand and Antarctica. The northernmost part of the world where scorpions live in the wild is Sheerness on the Isle of Sheppey in the UK, where a small colony of Euscorpius flavicaudis has been resident since the 1860s.
Most scorpions reproduce sexually, and most species have male and female individuals. Some species, such as Hottentotta hottentotta, Hottentotta caboverdensis, Liocheles australasiae, Tityus columbianus, Tityus metuendus, Tityus serrulatus, Tityus stigmurus, Tityus trivittatus, and Tityus urugayensis, reproduce through parthenogenesis, a process in which unfertilized eggs develop into living embryos.
Parthenogenic reproduction starts following the scorpion final moult to maturity and continues thereafter.
Sexual reproduction is accomplished by the transfer of a spermatophore from the male to the female scorpions possess a complex courtship and mating ritual to effect this transfer.
Mating starts with the male and female locating and identifying each other using a mixture of pheromones and vibrational communication. Once they have satisfied each other that they are of opposite sex and of the correct species, mating can commence.
The courtship starts with the male grasping the female pedipalps with his own the pair then perform a dance called the promenade. In reality this is the male leading the female around searching for a suitable place to deposit his spermatophore.
Plans are a set of two dimensional diagrams or drawings used to describe a place or object, or to communicate building or fabrication instructions. Usually plans are drawn or printed on paper, but they can take the form of a digital file.
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