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Human behavior

Aztecs and human sacrifice

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The human heart was the most valued and sacred organ of the human body. It was used to fuel the sungod. Sacrifice was considered and honor and it showed ones loyalty. It was not considered murdur. For the rain god, child sacrifice was required. The child must cry before death in order for the ritual to work and the rain god to give the aztecs rain. Conquered people were not killed but used as sacrifices. People were also demanded through the tributeary system. Preists would eat body parts in their rituals as well.
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Evolutionary Psychology

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Evolutionary Psychology (sparknotes.com) Evolutionary psychology uses evolutionary theory to explain similarities in psychological characteristics. According to evolutionary psychologists, patterns of behavior have evolved through natural selection, in the same way that physical characteristics have evolved. Because of natural selection,adaptive behaviors, or behaviors that increase reproductive success, are kept and passed on from one generation to the next. Mating Behavior

Iran position paper

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Investigating the effect of nicotine on the heart rate of Daphnia

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SBI4U Shonara Gibson December 7, 2010 Partner: Helen Picard Investigating the Effect of Nicotine on the Heart Rate of Daphnia Results: Table 1: Heart Rate of Daphnia with Various Amounts of Nicotine Present in Surroundings Amount of Nicotine in Surroundings (drops) Heart Rate (beats per minute) Average Variation Daphnia #1 Daphnia #2 No nicotine 384 372 378 10% of 378 = 38 Variation 6 6 6 1 drop 402 414 408 10% of 408 = 41 Variation 6 6 6 2 drops 420 420 420 10% of 420 = 42 Variation 0 0 0 3 drops 510 480 495 10% of 495 = 50 Variation 15 15 15 Figure 1: Graph showing Heart Rates of Daphnia with Increasing amounts of Nicotine Present in Surroundings Sample Calculations:

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