Predator

Predators are creatures that catch and kill other animals for food. All sorts of techniques are employed by different animals to maximise their chance of catching prey, and to balance the energy expended in catching prey with the energy gained in eating it. Some execute long chases, outrunning their prey, others ambush or hunt in groups. Some construct elaborate traps and many have mechanisms for stunning or poisoning their victims.

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About

In ecology, predation describes a biological interaction where a predator (an organism that is hunting) feeds on its prey, (the organism that is attacked). Predators may or may not kill their prey prior to feeding on them, but the act of predation always results and not to the benefit of the prey. The other main category of consumption is detritivory, the consumption of dead organic material (detritus). It can at times be difficult to separate the two feeding behaviors, for example where parasitic species prey on a host organism and then lay their eggs on it for their offspring to feed on its decaying corpse. The key characteristic of predation however is the predator's direct impact on the prey population. On the other hand, detritivores simply eat what is available and have no direct impact on the "donor" organism(s).

Selective pressures imposed on one another has led to an evolutionary arms race between prey and predator, resulting in various antipredator adaptations.

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