Biotic factors are living creatures or their remains that have an effect on a given situation. Abiotic factors are nonliving, nonorganic items that have an effect on a given situation. For instance, in describing the loss of frogs from a pond, a biotic factor may be the introduction of a non-native species that hunted the frogs to local extinction. An abiotic factor may be an increase in water pH caused by increased sulfuric acid levels due to acid rain.
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I predation is neither abiotic or biotic. The 2 terms mean with life or without life. Predation is an act that a predator preforms. The predator is alive, this true. But it does not fit the definition of abiotic or biotic.
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