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The axolotl (/ ˈ æ k s ə l ɒ t əl / ⓘ; from Classical Nahuatl: āxōlōtl [aːˈʃoːloːtɬ] ⓘ) (Ambystoma mexicanum) [3] is a paedomorphic salamander closely related to the tiger salamander. [3] [4] [5] It is unusual among amphibians in that it reaches adulthood without undergoing metamorphosis. Instead of taking to the land, adults ...
The name "Axolotl" comes from Nahuatl, the Aztec language. One translation of the name connects the Axolotl to Xolotl. The most common translation is "water-dog" . "Atl" for water and "Xolotl" for dog. [14] In the Aztec calendar, the ruler of the day, Itzcuintli ("Dog"), is Mictlantecuhtli, the god of death and lord of Mictlan, the afterlife. [15]
Lake Chalco with Lakes Xochimilco and Texcoco.Detail from the 1847 Bruff/Disturbell map The Valley of Mexico at the time of the Spanish conquest, c. 1519. Lake Chalco was an endorheic lake formerly located in the Valley of Mexico, and was important for Mesoamerican cultural development in central Mexico.
The Aztec diet included a variety of fish and wild game: various fowl, pocket gophers, green iguanas, axolotls (a type of amphibian, much like a salamander), a type of crayfish called acocil, and a great variety of insects, larvae and insect eggs.
The first rule of The Elf on the Shelf is that you can't touch the elf. The second rule of The Elf on the Shelf is that the elf will not speak or move while you are awake.
Most hypotheses surrounding the origin of Necturus's lack of metamorphosis concern the effectiveness of the thyroid gland. The thyroid gland in some salamanders, like the axolotl , produce normal thyroid hormones (THs), but cells in the organism express thyroid hormone receptors (TR) that are mutated, and do not bond correctly with thyroid ...
The axolotl is also a relative of the tiger salamander. [35] [36] Axolotls live in a paedomorphic state, retaining most characteristics of their larval stage for their entire lifespans. While they never metamorphose under natural conditions, metamorphosis can be induced in them, resulting in a form very similar to the plateau tiger salamander.
Phylogenetic tree of the primates Notharctus. The evolutionary history of the primates can be traced back 57-90 million years. [1] One of the oldest known primate-like mammal species, Plesiadapis, came from North America; [2] another, Archicebus, came from China. [3]