Fat Tailed Dunnart – Term Paper Example

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The paper "Fat-Tailed Dunnart"  is an outstanding example of a term paper on biology. Acknowledgments I owe several people appreciation, love, and gratitude. It would have been impossible to complete this work without their help and encouragement. Special thanks to my supervisor who directed and advised me on how to undertake this work. He encouraged me to think critically for myself. He taught me to work hard for my own gain. He has impacted me with a lot of knowledge needed in this field. I also owe a lot of appreciation to my colleagues and dear friends who gave me a lot of encouragement in my studies and research.

They were supportive all the time, and that’ s why I owe them respect and gratitude. Sincere thanks go to my department, which has made my work successful. Several of my classmates rely on their support for their benefit. My department and lectures have made a lot of my research be realized. May God bless you for your support, encouragement, and guidance which have made me come this far. Abstract The fat-tailed Dunnart is scientifically referred to as Sminthopsis crassicaudata.

It is a small marsupial that is carnivorous. It has a body length of 60-90mm with a tail length of 45-70mm. It has adipose tissue that is detectable and brown in color. Fat-tailed Dunnart is found in various regions of Australia with diversified habitats except in the Tasmania region (Menkhorst 67). They prefer staying in open shrub-lands, sparse grasslands, and uncultivated farmlands. The only region where they are not found in Tasmania. Fat-tailed Dunnart mostly relies on insects and small amphibians for their meal. One notable aspect of the Fat-tailed Dunnart is that it is nocturnal (Groves 35).

It spends most of its day time sleeping while it eats during the night. They are several tests that have been experimented on fat-tailed Dunnart to assess the effects of various factors like photoperiod, food deprivation, and tail removal. Other tests have been done to verify whether amino acids have some percentage of similarity or whether they are identical. Human amino acids are 60 percent identical to those of Fat-tailed Dunnart. Fat-tailed Dunnart is in most cases solitary or alone. They behave differently especially females when they have litters because they usually kill male partners (Theresa 15).

Carnivores and rainfall usually threaten the life of Fat-tailed Dunnart. Introduction Fat-Tailed Dunnart is a species of the mouse like a marsupial. It is of the Dasyuridae family, others in this same family include the Quolls, Tasmanian devil, and Little Red Kaluta. Its average body length is 60-90mm with its tail of 45-70mm. its ear is 14-16mm in length with its weight varying between 10-20 grams. Female Dunnart takes an average of 115 days to mature while males take 159 days to maturity.

The gestation period is around 14 days. Young ones enter the pouch of their mother and attach themselves to the pouch. The young ones remain in the pouch for at least 70 days after which they are weaned and move to live on their own. The litter size is approximately 7.5 with an infant death rate of approximately 33 percent. Dunnart’ s average body temperature is roughly 34.85 degrees centigrade. Fat-tailed Dunnart is among the smallest in the carnivorous marsupials. Its tail becomes fat just a few millimeters from the anus up to the tails tip.

Fat-tailed Dunnart species is widely distributed across central and southern Australia as well as west of the Great Divide (Stephen 54). Fat-tailed Dunnart differs in behavior and external morphology due to the difference in geographical areas. From the latest investigation, there are over 1000 Dunnart in their colony. Fat-tailed Dunnart is usually nocturnal. They mainly eat insects and lizards.

References

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Groves, C. Mammal species of the World. New York, NY: Johns Hopkins University Press, 2005.

Jessica Strachan. “Cone visual pigments of the Australian Marsupials, the stripe-faced and fat-tailed Dunnart: sequence and inferred spectral properties.” Herald Sun (Melbourne) 5 April 2005: A4.

John, Fakal. “Mammals of Australia.” sminthopsis crassicaudata 1 (1998): 52-55.

Menkhorst, Peter K. Australasian Marsupial & Mammals of Victoria. London: Oxford Press, 1995.

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Renfree Mobber, Shaw Giky, and Fletcher Tucker. “Evidence for the essential role of prostaglandins for parturition in a marsupial”. Reproduction and Fertility of Tall- tailed Dunnart 102, (1994): 433-446.

Shannon Simpson and Peter Frappell. “Metabolic and Ventilatory changes upon exposure to hypoxia and hypercapnia in neonatal fat-tailed dunnarts (Sminthopsis crassicaudata).” Mosman Daily (Sydney) 14 Feb. 2009: A5.

Stephen, Jackson M. Australian mammals: biology and captive management. Michigan: CSIRO Publishing, 2003.

Susana Pires and Julia Shand. “Isolation and Characterization of melanopsin (opn4) from the Australian marsupial.”Sminthopsis crasssicaudata (fat-tailed Dunnart) 274 (2007): 2791-2799.

Theresa Sylvester. “Fat-Tailed Dunnart: Facts and Information.” Sminthopsis Crassicaudata 2 (2009): 12-16.

Vicnet.net. Fat-tailed Dunnart- Sminthopsis crassicaudata. 18 Sept. 2003. 8 April 2010. http://mc2.vicnet.net.au/home/msov/shared_files/Dunnart_Fact_Sheet.pdf

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