Many organisms that employ chemical defences also display

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Aposematism is the use of bright, contrasting colours or bold patterns to signal to predators that an organism is unpalatable or poisonous. Chemical defences often accompany aposematism as a way to reinforce the warning signal. Crypsis (A) involves blending in with the environment to avoid being detected, camouflage (C) is similar but can involve a wider range of visual adaptations, and Batesian colouration (D) is a type of mimicry where a harmless species mimics the warning signal of a toxic species to avoid predation. While some organisms may also use these strategies in addition to chemical defences, aposematism is most directly related and often paired with chemical defences.

Many Organisms That Employ Chemical Defences Also Display