paedomorphosis वाक्य
उदाहरण वाक्य
मोबाइल
- They can undergo paedomorphosis, but most become mature adults.
- They go through paedomorphosis and retain their external gills, thus resembling axolotls.
- Paedomorphosis can be observed in the axolotl.
- The development of schizochroal eyes in phacopid trilobites is an example of post-displacement paedomorphosis.
- The mole salamander, a close relative to the Axolotl, displays both paedomorphosis and paramorphosis.
- One of the hypotheses regarding their ancestors is that they evolved by paedomorphosis and miniaturization from early tetrapods.
- When a species has a relatively short lifespan, natural selection will favor evolution of paedomorphosis ( e . g.
- The'marleyi'form appears to be a type of paedomorphosis, in which in the hatchling pattern is carried into adulthood.
- In " Embryos and Ancestors " ( 1930 ) de Beer stressed the importance of heterochrony, and especially paedomorphosis in evolution.
- Perhaps through the influence of Garstang, Gurney rejected Ernst Haeckel's paedomorphosis as an explanation for the similarities between copepods and decapod larvae.
- Averageness has been a result of stabilizing selection whereas facial paedomorphosis or juvenile traits are a result of directional selection ( Wehr, 2001 ).
- To compare the effects of directional and stabilizing selection on facial paedomorphosis Wehr used graphic morphing to alter appearances to make faces appear more or less juvenile.
- If " Lydekkerina " is the descendant of " Eolydekkerina ", it likely evolved by retaining juvenile characteristics into adulthood in a condition known as paedomorphosis.
- The latter are usually referred to as " developmentally truncated " or " paedomorphic " and are thought to have evolved via a process known as " progenetic paedomorphosis ", i . e . paedomorphosis brought about by accelerated maturation.
- The latter are usually referred to as " developmentally truncated " or " paedomorphic " and are thought to have evolved via a process known as " progenetic paedomorphosis ", i . e . paedomorphosis brought about by accelerated maturation.
- According to his theories, paedomorphosis ( the retention of juvenile features in the adult form ) is more important in evolution that gerontomorphosis, since juvenile tissues are relatively undifferentiated and capable of further evolution, whereas highly specialised tissues are less able to change.
- Many characters that are divergent from other trilobites may be explained by paedomorphosis, such as the small number of thorax segments and proparian facial sutures, that occur in all trilobites during larval development, while the Eodiscoid abatochroal eye is not unlike early development stages of the holochoal eye, where lenses are also separated.
- If a novelty were to evolve gradually in an animal's juvenile form, then its development would not appear in the fossil record at all, but if the species were then to undergo neoteny ( a form of paedomorphosis in which sexual maturity is reached while in an otherwise juvenile form ), then the feature would appear suddenly in the fossil record, despite having evolved gradually.
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