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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 ]
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.
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.
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.
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".
Life Extension Foundation Methuselah Foundation – non-profit organization dedicated to extending the healthy human lifespan by advancing tissue engineering and regenerative medicine therapies. It was co-founded in 2003 by Aubrey de Grey and David Gobel, and is based in Springfield, Virginia, United States.
[23] [24] Visual patterns in nature find explanations in chaos theory, fractals, logarithmic spirals, topology and other mathematical patterns. For example, L-systems form convincing models of different patterns of tree growth. [19] The laws of physics apply the abstractions of mathematics to the real world, often as if it were perfect.
Euclid uses right angles in definitions 11 and 12 to define acute angles (those smaller than a right angle) and obtuse angles (those greater than a right angle). [9] Two angles are called complementary if their sum is a right angle. [10] Book 1 Postulate 4 states that all right angles are equal, which allows Euclid to use a right angle as a ...