Human
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'''Human''' (scientific name ''Homo sapiens'') is the common name of the primate species also known as the East African Plains [[Ape]], the dominant tool-using [[species]] of the Sol System. On the third planet, called "[[Earth]]," humans have built cities and engaged in writing for the last six thousand planetary orbits, and have grown to a population of 6.6 billion individuals. Twelve humans have walked on [[Moon|Earth's large satellite]], and at least three humans maintain themselves in orbit around Earth at any given time. Humans have sent robotic probes to every major body in the [[Solar System]], and they have even sent four probes out of the system altogether. | '''Human''' (scientific name ''Homo sapiens'') is the common name of the primate species also known as the East African Plains [[Ape]], the dominant tool-using [[species]] of the Sol System. On the third planet, called "[[Earth]]," humans have built cities and engaged in writing for the last six thousand planetary orbits, and have grown to a population of 6.6 billion individuals. Twelve humans have walked on [[Moon|Earth's large satellite]], and at least three humans maintain themselves in orbit around Earth at any given time. Humans have sent robotic probes to every major body in the [[Solar System]], and they have even sent four probes out of the system altogether. | ||
| − | + | In appearance, most humans have a bilateral symmetry built around a stack of bones called a spine, that some may lack, with most of their sensory organs concentrated near their single [[brain]] in a pod mounted at the top of this spine. Humans refer to this pod as a skull. They have [[evolve]]d to balance on two of their four limbs, leaving the other two free to manipulate their environment. | |
| − | + | Healthy human bodies maintain a constant temperature of roughly 310 kelvins. They lack natural insulation over most of their skin, but they compensate by fashioning for themselves artificial insulation as appropriate for whatever environment they choose to inhabit. They reproduce [[sex]]ually, and, like most [[mammal]]s, the female retains the fertilized egg inside her body until her offspring is mature enough to survive in the world with somewhat less intensive care, although instances of apparent asexual reproduction have been reported, one being in a specimen called [[Mary (mother of Jesus)|Mary (the virgin)]]. However, after ejecting the infant in a difficult ordeal (on account of the size of a human baby's head), the female human [[breast|sustains]] her offspring for some time with food manufactured within her own body. | |
| − | + | Despite having by far the largest population of any known primate species (well over six billion, scattered throughout all seven continents, and under most of the oceans, including areas normally considered uninhabitable), the East African Plains Ape is classed as Critically Endangered due to it being paradoxically too stupid to handle its high intelligence. | |
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==See also== | ==See also== | ||
Revision as of 17:27, 12 July 2011
Human (scientific name Homo sapiens) is the common name of the primate species also known as the East African Plains Ape, the dominant tool-using species of the Sol System. On the third planet, called "Earth," humans have built cities and engaged in writing for the last six thousand planetary orbits, and have grown to a population of 6.6 billion individuals. Twelve humans have walked on Earth's large satellite, and at least three humans maintain themselves in orbit around Earth at any given time. Humans have sent robotic probes to every major body in the Solar System, and they have even sent four probes out of the system altogether.
In appearance, most humans have a bilateral symmetry built around a stack of bones called a spine, that some may lack, with most of their sensory organs concentrated near their single brain in a pod mounted at the top of this spine. Humans refer to this pod as a skull. They have evolved to balance on two of their four limbs, leaving the other two free to manipulate their environment.
Healthy human bodies maintain a constant temperature of roughly 310 kelvins. They lack natural insulation over most of their skin, but they compensate by fashioning for themselves artificial insulation as appropriate for whatever environment they choose to inhabit. They reproduce sexually, and, like most mammals, the female retains the fertilized egg inside her body until her offspring is mature enough to survive in the world with somewhat less intensive care, although instances of apparent asexual reproduction have been reported, one being in a specimen called Mary (the virgin). However, after ejecting the infant in a difficult ordeal (on account of the size of a human baby's head), the female human sustains her offspring for some time with food manufactured within her own body.
Despite having by far the largest population of any known primate species (well over six billion, scattered throughout all seven continents, and under most of the oceans, including areas normally considered uninhabitable), the East African Plains Ape is classed as Critically Endangered due to it being paradoxically too stupid to handle its high intelligence.
See also
- Humanism
- Behavioral modernity - what distinguishes humans from other hominids