Kin altruism is the tendency to behave in such a way as to provide benefit to a close relative at personal cost. One might think of sharing food, or calling out when a predator approaches. Natural selection is the differential replicative success of alleles. If one considers altruistic behaviour as (influenced by) the expression of a complex of alleles, then it is easy to see how aiding organisms that share most of your alleles (ie. relatives) would cause those alleles to spread throughout the population gene pool at an increased rate. In this manner, altruism could evolve as a result of natural selection acting on 'selfishly' replicating genes.
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Kin altruism is a biological phenomenon where organisms help their relatives at a cost to themselves, increasing the reproductive success of shared genes. This behavior can be favored by natural selection because it enhances the survival and reproduction of genetically related individuals, ultimately benefiting the spread of shared genes in the population.
Altruism is basically when a member sacrifices itself for the well being of the population. If the population that was protected has favorable traits, they will be naturally selected for and over generations become dominant in the population. If they weren't protected, the population could die out.
Group living can provide benefits such as increased protection from predators through collective defense, improved foraging efficiency by pooling resources and information, and enhanced ability to compete for access to mates and resources. Additionally, it can allow for division of labor and specialization, increasing overall group productivity.
Typically, the next of kin or appointed legal representative has the right to make decisions regarding the deceased body, such as burial or cremation. If there is no next of kin, local laws and regulations may determine who has the authority to make decisions.
"Cenel" refers to a term used in Irish history to describe a political kin group or kindred. "Cenel land" likely refers to land controlled or owned by such a group in ancient Ireland.
At the morgue, a body is received and identified, then undergoes an autopsy if required. The body is typically stored in a refrigerated unit to preserve it. Forensic examinations may be conducted to determine the cause of death, and the body is eventually released to the next of kin for funeral arrangements.