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Emydura macquarii (common names include Murray River turtle, [7] Macquarie River turtle, [8] eastern short-necked turtle, eastern short-neck turtle and southern river turtle) [9] is a species of turtle in the family Chelidae. It is a wide-ranging species that occurs throughout many of the rivers of the eastern half of Australia.
Emydura, also known commonly as the Australian short-necked turtles, is a genus of turtles in the family Chelidae. The genus was paraphyletic with Elseya . Consequently, it was split into two genera Myuchelys and Elseya by Thomson and Georges in 2009. [ 4 ]
The red-bellied short-necked turtle (Emydura subglobosa), also known commonly as the pink-bellied side-necked turtle and the Jardine River turtle, is a species of turtle in the family Chelidae. The species is native to Australia and New Guinea. There are two recognized subspecies.
The northern yellow-faced turtle (Emydura tanybaraga) is a species of medium-sized aquatic turtle in the family Chelidae. It inhabits slow-flowing rivers, streams, billabongs and paperbark swamps across much of northern Australia .
As metabolic rate increases, the lifespan of an organism is expected to decrease as a direct result. The rate at which this occurs is not fixed and thus the -45° slope in this graph is just an example and not a constant. The rate of living theory postulates that the faster an organism's metabolism, the shorter its lifespan.
The key to life history theory is that there are limited resources available, and focusing on only a few life history characteristics is necessary. Examples of some major life history characteristics include: Age at first reproductive event; Reproductive lifespan and ageing; Number and size of offspring
For sexually reproducing planaria: "the lifespan of individual planarian can be as long as 3 years, likely due to the ability of neoblasts to constantly replace aging cells". Whereas for asexually reproducing planaria: "individual animals in clonal lines of some planarian species replicating by fission have been maintained for over 15 years".
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