Essay on Axolotl Evolutionary Adaptations

Essay on Axolotl Evolutionary Adaptations

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The Axolotl, a crucially endangered neotenous species of mole salamander, has adapted to fit its environment so it can easily catch food and evade predators. The Axolotl’s habitat is the lake system of Xochimilco that is near Mexico City, Mexico. This shallow, fresh water lake complex has a temperature range of 6- 20°C and a pH of 7- 12. The complex also has the Axolotl’s primary food sources of mollusk, insect larvae, and other crustaceans. However, with the introduction of foreign species such as the Asian Carp and the African Tilapia, the Axolotl now has predators that may eat and threaten it, and it has competition for the animals it usually eats. Fortunately, the Axolotl has developed adaptations that aid it in catching food and evading predators. To help it catch food the Axolotl’s teeth are shaped like cones, so that its “vacuum” action of sucking in as much water in order to also eat food is aided by the shape of the teeth, which allow it to grip, rather than chew. To aid them in avoiding predators they are able to metamorphose so that they use their lungs more than their gill, which allows them to leave very toxic waters and the predators within. Another adaption that helps them deflect any predator is that they are able to regenerate body parts that have been lost, allowing them to stay as strong as possible. Axolotl’s have adaptations that aid their survival from predators in the lake complex Xochimilco that they reside in.
The adaptations that the Axolotl’s have strongly increase their chances of survival and their overall fitness. The Axolotl’s cone shaped teeth allows them to catch food so that they may easily do their “vacuum” action to eat food. This favorable trait grips whatever food they are going to eat, so th...


... middle of paper ...


...current adaptations and those positive results from the adaptations far outweigh negative consequences on the species.


Works Cited

"Mexican Axolotls, Mexican Axolotl Pictures, Mexican Axolotl Facts - National Geographic." National Geographic. N.p., n.d. Web. 29 May 2014. .
Clare, John. "Food for Axolotls." Axolotls. N.p., n.d. Web. 29 May 2014. .
Clare, John. "Metamorphosed Axolotls & Tiger Salamanders." Axolotls. N.p., n.d. Web. 29 May 2014. .
Erelli, Mark. "Mole Salamanders." Mole Salamanders. N.p., n.d. Web. 29 May 2014. .
"Tiger Salamander: Amphibians." Tiger Salamander. N.p., n.d. Web. 29 May 2014. .

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