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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 .
This adaptation allows them to hide within their environment because of a resemblance to the general background or an inedible object. [2] When an insect looks like an inedible or inconsequential object in the environment that is of no interest to a predator, such as leaves and twigs, it is said to display mimesis, a form of crypsis.
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.
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 ...
It was founded on January 19, 1899, by a group of Chicago residents who had concerns about the treatment of the city's animals, from stray cats and dogs, to workhorses, to livestock. [2] The Anti-Cruelty Society exists to prevent cruelty to animals and to advance humane education. Their mission is building a community of caring by helping pets ...
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.
Cott's method is to provide a large number of examples, illustrated with his own drawings or photographs, showing animals from different groups including fish, reptiles, birds and insects, especially butterflies. The examples are chosen to illustrate specific adaptations. For example, the fish Chaetodon capistratus is described as follows: [P 2]
The Graham School offers a Master of Liberal Arts and for-credit graduate-level courses through the Graduate Student-at-Large program.. Graduate students-at-large take University of Chicago graduate courses for grades and build a transferable record of study for matriculation into a degree program at the University of Chicago or elsewhere.