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The Jackson ratio is calculated by taking the weight of the tortoise in grams and dividing it by the cube of the length of the tortoise's carapace in centimeters. [1] This is essentially a value of the density of the tortoise in g/cm 3. The optimal value for this ratio is 0.21 with a range of 0.18–0.22 being acceptable for hibernation.
The testudo was a common formation in the Middle Ages, being used by Muhammad's forces during the Siege of Ta'if in 630, [4] also by the Carolingian Frankish soldiers of Louis the Pious to advance on the walls of Barcelona during the siege of 800–801, by Vikings during the siege of Paris in 885–886, by East Frankish soldiers under king ...
Sequence evolution at least in mtDNA is known to proceed much more slowly in some turtles and tortoises than in others; [5] the rate of the mitochondrial 12S rRNA gene in Testudo is probably a rather low 1.0–1.6% per million years (as this fits best the paleobiogeographical situation), limiting the resolution provided by molecular systematics.
Greek tortoise Temporal range: Pliocene–Holocene Pre๊ ๊ O S D C P T J K Pg N Possible Late Miocene record T. g. nabeulensis male in Tunisia Conservation status Vulnerable (IUCN 3.1) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Testudines Suborder: Cryptodira Superfamily: Testudinoidea Family: Testudinidae Genus: Testudo Species: T ...
Testudo nabeulensis Highfield and Martin, 1989 [1] The Tunisian tortoise or Nabeul tortoise ( Testudo graeca nabeulensis ) is a subspecies of Greek tortoises . It was originally described as a new species in 1990, and even placed in a distinct genus .
For example, if the most prevalent pattern/grade is 2, and the second most prevalent grade is 1, then the Gleason score is 2+1=3. If the neoplasm has only one pattern, the grade of that pattern is doubled to obtain the score. For example, if a tumor is entirely grade 1, the Gleason score would be 1+1=2.
A 2021 study found the clade to be divided into two extant groups: Testuguria, containing Geoemydidae and Testudinidae; and Emysternia, containing Emydidae and Platysternidae.
As many professors establish the curve to target a course average of a C, [clarification needed] the corresponding grade point average equivalent would be a 2.0 on a standard 4.0 scale employed at most North American universities. [1] Similarly, a grade point average of 3.0 on a 4.0 scale would indicate that the student is within the top 20 % ...