artificial key

artificial key
an identification key based on characters selected for their utility and not indicative of phylogenetic relationships

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • artificial key — noun : a key used to determine the name of a plant or animal and based on convenient differential morphological characters that do not necessarily indicate natural relationships …   Useful english dictionary

  • artificial — adjective Date: 14th century 1. humanly contrived often on a natural model ; man made < an artificial limb > < artificial diamonds > 2. a. having existence in legal, economic, or …   New Collegiate Dictionary

  • artificial — ar·ti·fi·cial .ärt ə fish əl adj 1) humanly contrived often on a natural model <an artificial limb> 2) based on differential morphological characters not necessarily indicative of natural relationships <an artificial key for… …   Medical dictionary

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  • Artificial gravity (fiction) — Artificial gravity is a common theme in fiction, particularly science fiction.Rotational gravityIn the movie , a rotating centrifuge in the Discovery spacecraft provides artificial gravity. The people would be walking inside the circle; their… …   Wikipedia

  • Artificial Intelligence Marketing — (AIM) is still at an early stage but the widespread of high performant and affordable technologies and the advance, documentation and approachability of Artificial Intelligence mean that AI is now a more plausible solution to the pursuit of the… …   Wikipedia

  • Artificial human companion — Artificial human companions may be any kind of hardware or software creation designed to give companionship to a person. These can include digital pets, such as the popular Tamagotchi, or robots, such as the well known Sony AIBO. Virtual… …   Wikipedia

  • Artificial gills (human) — Artificial gills are devices that exist in science fiction, and being developed in reality, to extract oxygen dissolved in water, thus allowing humans to survive underwater.It is generally thought that they would be unwieldy and bulky, because of …   Wikipedia

  • Artificial reality — was the term Myron W. Krueger used to describe his interactive immersive environments, based on video recognition techniques, that put a user in full, unencumbered contact with the digital world. He started this work in the late 1960s and is… …   Wikipedia

  • key classification — artificial classification (a classification based on characters selected for their utility and not indicative of phylogenetic relationships) …   Dictionary of ichthyology

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