1) Evolutionary trend
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https://www.crosswordclues.com/clue/neoteny
Neoteny (i Neoteny is one of three dimensions of heterochrony, or the change in timing of developmental events: acceleration (faster) vs. neoteny (slower), hypermorphosis (further) vs. progenesis (not as far), and predisplacement (begins earlier) vs. postdisplacement (begins later). The word neoteny is borrowed from the German Neotenie, the latter...
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http://en.wikipedia.org/wiki/Neoteny
retention of juvenile characteristics in a mature organism
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http://phrontistery.info/n.html
(from the article `paedomorphosis`) ...of paedomorphosis: acceleration of sexual maturation relative to the rest of development (progenesis) and retardation of bodily development with ... ...stage and in nature rarely if ever metamorphoses into the adult, but can be persuaded to do so if injected with extra supplies of the hormone ... ...
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http://www.britannica.com/eb/a-z/n/25
Attainment of sexual maturity during the larval stage. Neoteny is evident in the retention of gills, as in some salamanders, the best known example of which is the axolotl of the western United States and Mexico. An entire order of tunicates (sea squirts), the Larvacea, is permanently larval, never ...
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http://www.daviddarling.info/encyclopedia/N/neoteny.html
Neoteny meaning new stretch) is a method of reproduction in which the an offspring is produced while an organism is still in, or maintains many characteristics of, its larval or juvenile stage. Salamanders exhibit neoteny; they maintain gills and other larval features when they are reproductively mature. Neoteny is also known as pedogenesis or paed...
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
<embryology> The persistence in the reproductively mature adult of characters usually associated with the immature organism. ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973
(ne-ot´ә-ne) prolongation of the larval form in a sexually mature organism. adj., neoten´ic., adj.
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http://www.encyclo.co.uk/local/21001
The persistence in the reproductively-mature adult of characters usually associated with the immature organism.
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http://www.encyclo.co.uk/visitor-contributions.php
Type: Term Pronunciation: nē-ot′ĕ-nē Definitions: 1. Prolongation of the larval state, as in the Mexican tiger salamander or axolotl, or in certain termite castes held in the larval stage as future replacements of the queen.
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http://www.medilexicon.com/medicaldictionary.php?t=59128
An evolutionary phenomenon in which juvenile traits are retained into adulthood.
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https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter
noun an evolutionary trend to be born earlier so that development is cut off at an earlier stage and juvenile characteristics are retained in adults of the species
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https://www.encyclo.co.uk/local/20974
Also calledthe production of offspring by an organism in its larval or juvenile form; the elimination of the adult phase of the life cycle. · a slowing of the rate of development with the consequent retention in adulthood of a feature or features that appeared in an earlier phase in the life cycle of ancestral individuals: Neoteny in the os...
Found on
https://www.infoplease.com/dictionary/neoteny
No exact match found.
