The failed selection in "The Giver" occurred ten years before the main events of the story. This event marked the unsuccessful attempt to assign the role of Receiver of Memory to a candidate who did not succeed in the training.
Beacuse he was described as an old man with a long beard.
Individual animals do not adapt. Adaptation happens over generations within a species in a certain environment.
In the Giver, they have to take the pills until they enter the House of the Old.
It's the man in The Giver who gives Jonas his memories from the past. When Jonas is picked to be the Receiver, he goes through training with the Giver (before Jonas escapes with Gabriel). In the book, he is described as old with a long beard and pale eyes.
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For evolution to occur, there must be genetic variation within a population, inheritability of these genetic traits from one generation to the next, differential survival and reproduction based on these traits (natural selection), and long periods of time for changes to accumulate across generations.
In chapter fifteen, Jonas helps The Giver by embracing the memories and emotions he receives, giving The Giver temporary relief from the burdens he has carried alone for so long. Jonas's willingness to share the weight of these memories provides comfort and connection for both of them, strengthening their bond and giving The Giver hope for the future.
Natural selection is the type of selection that can result in a branching evolutionary tree if it goes on long enough. This is because organisms may eventually evolve into a distinct species.
A long time
Microevolution is the changes in allele frequencies due to mutation, natural or artificial selection, gene flow, and genetic drift. These changes occur over a long period of time within a given population.
Evolution does not occur at a constant pace; it can vary depending on factors such as environmental changes, selection pressures, and genetic diversity. Some periods of rapid evolution, known as punctuated equilibrium, may be interspersed with long periods of relative stability.
How long you will be selected for final winner selection process will depend on a number of factors. The number of times that you participate successfully is the main determinant.