1. Sibling rivalry is found in pretty much all groups of organisms that create m
ID: 282145 • Letter: 1
Question
1. Sibling rivalry is found in pretty much all groups of organisms that create more than one offspring within one rearing environment. Francis Galton reported that members in the prestigious Royal Society were much more likely to be first born child than compared to other children. Evidence suggests that first borns are more extroverted, less altruistic and more open to diverse experiences, with a slightly higher IQ. Children who are more than three years younger than their next-older sibling usually express traits that are similar to first-borns rather than other born children 1a. Discuess why traits that are associated with non firsthorn children may have more of an advantage (from an evolutionary perspective) 1b. Discuss the environment that may support the expression of these first born traits (from an evolutionary perspective) 1c. Human siblings are often display intense sibling rivalry that usually declines during the teenage years. (Suggest a evolutionary explanation for the pattern that occurS. Do not restrict discussion to the environment in which you were reared. Broaden your thoughts to include extreme poverty, extreme privilege, large families, less-developed societies, etc.Explanation / Answer
1a)
1b)
1c)
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