Organisms can help other organisms survive and reproduce {altruism, ecology}|, though organisms typically compete.
causes
Altruism can happen if organisms need each other to survive or reproduce. Altruism can happen if organisms share genes. Altruism varies directly with percentage of shared genes or contribution to survival or reproduction.
kinship
Humans practice altruism unconsciously in families and kinship groups. Outside kinship groups, conscious altruism typically depends on reciprocation, and people remember past actions and decide whether to be altruistic or competitive.
comparison
Interactions among evolutionary levels and among evolution mechanisms can account for altruism, cooperation, social organization, and neutrality, which seemingly contradict natural selection.
Biological Sciences>Ecology>Community
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Date Modified: 2022.0224