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For example, territorial choruses by male lions discourage intruders and are likely to benefit all contributors. [2] This process contrasts with intragroup competition where individuals work against each other for selfish reasons. Cooperation exists not only in humans but in other animals as well.
Edward O. Wilson called humans eusocial apes, arguing for similarities to ants, and observing that early hominins cooperated to rear their children while other members of the same group hunted and foraged. [46] Wilson and others argued that through cooperation and teamwork, ants and humans form superorganisms.
Cooperation is common in non-human animals. Besides cooperation with an immediate benefit for both actors, this behavior appears to occur mostly between relatives. Spending time and resources assisting a related individual may reduce an organism's chances of survival, but because relatives share genes, may increase the likelihood that the ...
Sociality is the degree to which individuals in an animal population tend to associate in social groups (gregariousness) and form cooperative societies. Sociality is a survival response to evolutionary pressures. [1] For example, when a mother wasp stays near her larvae in the nest, parasites are less likely to eat the larvae. [2]
[19] [20] For example, the sponge-dwelling shrimp depend upon the sponge's feeding current for food, termites depend upon dead, decaying wood, and naked mole rats depend upon tubers in the ground. [5] [13] [21] Each of these resources has patchy distributions throughout the environments of these animals. This means there is a high cost to ...
Dogs and sheep were among the first animals to be domesticated. The domestication of vertebrates is the mutual relationship between vertebrate animals, including birds and mammals, and the humans who influence their care and reproduction. [1] Charles Darwin recognized a small number of traits that made domesticated species different from their ...
Even though their brains are the size of a human thumb, their intelligence, comparable to that of a 7-year-old child, allows them to use tools, solve problems, recognize people’s faces, adapt to ...
The concept of "reciprocal altruism", as introduced by Trivers, suggests that altruism, defined as an act of helping another individual while incurring some cost for this act, could have evolved since it might be beneficial to incur this cost if there is a chance of being in a reverse situation where the individual who was helped before may perform an altruistic act towards the individual who ...