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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 above table does not corroborate with the scale most U.S. and Canadian institutions use where a grade between 18-20 scale to an "A," 15-17 scale to a "B," 12-14 scale to a "C," a grade between 10-11 is treated as a "D," and a score below 10 is considered a failing grade. [2] The above is also noted in the Scholaro Database. [3]
Up to two minuses can be used, but only one plus, e.g. (6--) or (5+). Despite their being equivalent to 0.25 marks, a grade like 3-- is still recorded in official documents as 3. The Bad (1.00) grade is mostly obsolete and rarely given; some official electronic documents do not even permit it to be entered.
Grading in education is the application of standardized measurements to evaluate different levels of student achievement in a course. Grades can be expressed as letters (usually A to F), as a range (for example, 1 to 6), percentages, or as numbers out of a possible total (often out of 100).
The top grade, A, is given here for performance that exceeds the mean by more than 1.5 standard deviations, a B for performance between 0.5 and 1.5 standard deviations above the mean, and so on. [17] Regardless of the absolute performance of the students, the best score in the group receives a top grade and the worst score receives a failing grade.
A very poor performance is usually awarded a 3 or 4, while a 1 is often reserved for cases of academic dishonesty or some other unacceptable behavior. Grades with 2 decimal digits can also be awarded, e.g. 7.38 means "'very' satisfactory", although in the register (catalog, where grades are written) the grade will be rounded. Grades with 2 ...
Testudinoidea Midland painted turtle (Chrysemys picta marginata) a species of the family Emydidae in the Testudinoidea superfamily : Scientific classification; Domain: ...
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 ...