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  2. Tasmanian devil - Wikipedia

    en.wikipedia.org/wiki/Tasmanian_devil

    At 15 days, the external parts of the ear are visible, although these are attached to the head and do not open out until the devil is around 10 weeks old. The ear begins blackening after around 40 days, when it is less than 1 cm (0.39 in) long, and by the time the ear becomes erect, it is between 1.2 and 1.6 cm (0.47 and 0.63 in).

  3. Normal distribution - Wikipedia

    en.wikipedia.org/wiki/Normal_distribution

    The simplest case of a normal distribution is known as the standard normal distribution or unit normal distribution. This is a special case when μ = 0 {\textstyle \mu =0} and σ 2 = 1 {\textstyle \sigma ^{2}=1} , and it is described by this probability density function (or density): φ ( z ) = e − z 2 2 2 π . {\displaystyle \varphi (z ...

  4. Standard normal table - Wikipedia

    en.wikipedia.org/wiki/Standard_normal_table

    In statistics, a standard normal table, also called the unit normal table or Z table, [1] is a mathematical table for the values of ... 3.167 12 × 10 −5: 2.866 52 ...

  5. Spawning - Wikipedia

    en.wikipedia.org/wiki/Spawning

    The spawn (eggs) of a clownfish. The black spots are the developing eyes. Spawn is the eggs and sperm released or deposited into water by aquatic animals. As a verb, to spawn refers to the process of freely releasing eggs and sperm into a body of water (fresh or marine); the physical act is known as spawning. The vast majority of aquatic and ...

  6. Classification of demons - Wikipedia

    en.wikipedia.org/wiki/Classification_of_demons

    The Testament of Solomon is a pseudepigraphical work, purportedly written by King Solomon, in which the author mostly describes particular demons who he enslaved to help build the temple, the questions he put to them about their deeds and how they could be thwarted, and their answers, which provide a kind of self-help manual against demonic activity.

  7. Cephalic index - Wikipedia

    en.wikipedia.org/wiki/Cephalic_index

    The index is used while looking at the fetal head shape, and can change in certain situations (ex. breech presentation, ruptured membranes, twin pregnancy). [12] It can be measured for prenatal infants in the womb using obstetric ultrasound , and a value of 78.3% ± 8% (±2 standard deviations ) is considered normal.

  8. Stenocereus eruca - Wikipedia

    en.wikipedia.org/wiki/Stenocereus_eruca

    The creeping devil is columnar, with a very spiny stem which is gray-green to creamy green in color, averaging 5 cm in diameter and 1.5–2 m long, with only the terminal end raised from the ground, with its shoot tips slightly angled upward. It often forms large mats. A height of 20–30 cm is normal since this cactus is recumbent. The cactus ...

  9. Datura - Wikipedia

    en.wikipedia.org/wiki/Datura

    The flowers are erect or spreading (not pendulous like those of Brugmansia), trumpet-shaped, 5–20 cm long, and 4–12 cm broad at the mouth; colours vary from white to yellow and pale purple. The fruit is a spiny capsule , 4–10 cm long and 2–6 cm broad, splitting open when ripe to release the numerous seeds .