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prey detection
Prey detection is the process by which predators are able to detect and locate their prey via sensory signals. This article treats predation in its broadest sense, i.e. where one organism eats another.
==Evolutionary struggle and prey defenses==
Predators are in an evolutionary arms race with their prey, for which advantageous mutations are constantly preserved by natural selection. In turn, predators too are subject to such selective pressure, those most successful in locating prey passing on their genes in greater number to the next generation's gene pool. Adaptations of prey that allow them to avoid protection are widespread, and this general pattern is collectively known as crypsis. Crypsis may involve temporal evasion such as nocturnality, behavioral methods such as hiding, and non-behavioral adaptations such a camouflage.
Often behavioral and passive characteristics are combined, for example a prey animal may look similar to and behave like its hunter's own predator (see mimicry).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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