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Progenitor
Ancient humanoid female in a recorded greeting

"All humanoid life has a similar genetic pattern."

- Data (TNG: "Genesis")

As generally understood by the United Federation of Planets, a humanoid is an intelligent, bilaterally symmetrical, bipedal lifeform in possession of an upright posture, two arms, two legs, hands, feet, one thorax, a neck, and a head with a brain located in it. They are generally mammalian and originate on Class M planets. It is common for them to have two to four sexes. Among the many humanoid species known throughout the Milky Way Galaxy are Andorians, Betazoids, Bolians, Bajorans, Cardassians, Hirogen, Klingons, Humans, Romulans, and Vulcans.

Why the humanoid template is so common Edit

Despite the vast distances separating their homeworlds, many humanoid species have been found to share a remarkable commonality in form and genetic coding. These similarities were believed to be evidence of a common ancestry, an ancient humanoid species, who lived in our galaxy's distant past some four billion years ago.

To preserve their heritage, this species apparently seeded the primordial oceans of many potentially hospitable planets with encoded DNA fragments. The genetic information incorporated into the earliest lifeforms on those planets and through pre-programmed mutations caused by a genetic template, directed evolution toward a physical development similar to their own. Because of this controlled mutation mechanism, most habitable planets in the galaxy evolved with many physically similar species (for example fish, trees, dogs, insects), and on many of those worlds with at least one sentient species with a humanoid configuration. Most of these humanoids are even interfertile with each other.

Anatomically, a significant percentage of those lifeforms are outwardly indistinguishable from Humans, right down to such morphological minutiae as the same racial phenotypes, hair distribution patterns, fingernails and cartilaginous foldings of the nose and ears. The reason they are so astonishingly similar to the Human race is because the "Human form" represents the basic way that evolution most likely takes for the dominant mammalian race on an average Class M planet under the influence of the genetic codes and the other humanoid races (for example Klingons, Cardassians, Vulcans) developed under very specific and usually unique environmental conditions.

Humanoid progenitors Edit

In one of the most remarkable scientific detective stories in history, archaeologist Richard Galen of Earth uncovered the similarities between certain DNA sequences in lifeforms from widely separated planets. He discovered that these DNA sequences were a puzzle deliberately left behind by these ancient progenitors. The DNA sequences, when assembled by protein-link compatibilities, formed an ingenious computer program, a message of peace and goodwill to their progeny. This message, assembled in 2369 in an unprecedented example of interstellar cooperation, was a confirmation that many humanoid species in this galaxy are indeed members of the same family, despite their significant differences. (TNG: "The Chase")

The humanoid form was further distributed by species such as the Preservers, a super-race which passed through the galaxy rescuing primitive cultures in danger of extinction, and seeding them on other worlds where they could be allowed to grow and thrive. In addition, when the non-corporeal lifeform Sargon was encountered by the crew of the USS Enterprise in 2268, he implied that some humanoid races, such as the Vulcans, were the product of ancient colonization by his race before they lost their physical forms. (TOS: "The Paradise Syndrome", "Return to Tomorrow")

Other definitions Edit

The Xindi did not apply the term in the same way as many of the other social groups in the Milky Way Galaxy. For them, humanoid was a word that only applied to the Xindi-Primates, despite the fact that the Arboreals and the Reptilians also generally met the criteria. (ENT: "Proving Ground", "The Council")

Taxonomy of humanoids Edit

Starfleet developed a classification system for humanoids which included at least five variations including Class 3 humanoids, such as the Vidiians, and Class 5 humanoids, such as the Vhnori.

It seems that Kobheerians, Dopterians and Ferengi may be of the same group (currently unspecified). It should be noted that the brain of the "as of yet unseen" Breen shares their four-lobed structure, which may indicate similarities.
Other possible groups are the Algolians, Promellians, or Pardshay's species.

See also Edit

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