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In ecology, crypsis is the ability of an animal or a plant [1] to avoid observation or detection by other animals. It may be part of a predation strategy or an antipredator adaptation . Methods include camouflage , nocturnality , subterranean lifestyle and mimicry .
The coloration of the Papuan frogmouth Podargus papuensis, its outline disrupted by its plumage, its eye concealed in a stripe, is an effective anti-predator adaptation. Disruptive coloration (also known as disruptive camouflage or disruptive patterning ) is a form of camouflage that works by breaking up the outlines of an animal, soldier or ...
Chicago Area Project (CAP) is an American juvenile delinquency prevention association based in Chicago, Illinois. The association has been acting since early 20th century. The project was founded by University of Chicago criminologist Clifford Shaw. As of 2009, its current executive director is David E. Whittaker.
Anti-predator adaptation in action: the kitefin shark (a–c) and the Atlantic wreckfish (d–f) attempt to prey on hagfishes. First, the predators approach their potential prey. Predators bite or try to swallow the hagfishes, but the hagfishes have already projected jets of slime (arrows) into the predators' mouths.
A second form of mimicry occurs when two aposematic organisms share the same anti-predator adaptation and non-deceptively mimic each other, to the benefit of both species, since fewer individuals of either species need to be attacked for predators to learn to avoid both of them.
Underwater camouflage is the set of methods of achieving crypsis—avoidance of observation—that allows otherwise visible aquatic organisms to remain unnoticed by other organisms such as predators or prey. Camouflage in large bodies of water differs markedly from camouflage on land. The environment is essentially the same on all sides.
Women's program aims to combat violence in Chicago. Dr. Céline Gounder, Kerry Breen. October 19, 2024 at 8:27 AM ... 90 women in the area were killed by gun violence and nearly 500 more were shot.
A wide range of animals, e.g. lizards, birds, rodents, and sharks, behave as if dead as an anti-predator adaptation, as predators usually take only live prey. [14] In beetles, artificial selection experiments have shown that there is heritable variation for length of death-feigning.