Altruism is a type of behavior in which an animal sacrifices its own interest for that of another animal or group of animals Altruism is the opposite of selfishness individuals performing altruistic acts gain nothing for themselves Examples of altruism ab

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Altruism is a type of behavior in which an animal sacrifices its own interest for that of another animal or group of animals. Altruism is the opposite of selfishness; individuals performing altruistic acts gain nothing for themselves. Examples of altruism abound, both among humans and among other mammals. Unselfish acts among humans range from the sharing of food with strangers to the donation of body organs to family members, and even to strangers. Such acts are altruistic in that they benefit another, yet provide little reward to the one performing the act. In fact, many species of animals appear willing to sacrifice food, or even their life, to assist other members of their group. The meerkat, which is a mammal that dwells in burrows in grassland areas of Africa, is often cited as an example. In groups of meerkats, an individual acts as a sentinel, standing guard and looking out for predators while the others hunt for food or eat food they have obtained. If the sentinel meerkat sees a predator such as a hawk approaching the group, it gives an alarm cry alerting the other meerkats to run and seek shelter. By standing guard, the sentinel meerkat gains nothing—it goes without food while the others eat, and it places itself in grave danger. After it issues an alarm, it has to flee alone, which might make it more at risk to a predator, since animals in groups are often able to work together to fend off a predator. So the altruistic sentinel behavior helps ensure the survival of other members of the meerkat’s group.
Summarize the points made in the lecture you just heard, being sure to specifically explain how they cast doubt on points made in the reading.

The reading passges states about altruistic behavior by using examples of human and the meerkat. however, the professor introduced new findings in this field that those behaviors do not come from altruism.
first of all, the professor explains the sentinel meerkat already have had full amount of meals before standing guard for the ohters. Moreover, since the sentinel has a chance to observe first its predators, it most likey to escape when the other meerkats get in trouble. however, the reading passages explain this as a unselfish beahavior to save its memebers of group.
On top of that, the alram that the meerkats create can draw the predators attention. Also, because of this alram, the meerkats gather together in one limited area, which makes it hard for them to survive in dager. Therefore, the sentinel meerkat luckily makes a use of its chance of survival.
Finally, human donates its kidney seems like selfless behavior with the absense of any kind of appreciaiton, but actually the donor is given the non-moteral form of appreciation from its hospital, the patient, and the city community. For some people, this non-material reward consider much more precious than material reward in their lives.

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