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Animal coloration, readily observable, soon provided strong and independent lines of evidence, from camouflage, mimicry and aposematism, that natural selection was indeed at work. [ 6 ] [ 7 ] [ 8 ] The historian of science Peter J. Bowler wrote that Darwin's theory "was also extended to the broader topics of protective resemblances and mimicry ...
Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see, or by disguising them as something else. Examples include the leopard 's spotted coat, the battledress of a modern soldier , and the leaf-mimic katydid 's wings.
This free downloadable lesson plan explores various species of animals that camouflage and dives deeper The chameleon is one of the most recognizable animals that camouflages itself, changing its ...
A liana-like snake near Para (a haunt of Henry Walter Bates in Naturalist on the River Amazons) 160 times as long as it was thick is called "a revelation in the art of aggressive resemblance". Chapter 2. Adaptive behaviour in relation to special cryptic resemblance. Animals keep still, sway in the wind, or play dead to assist their camouflage.
Animals use colour to advertise services such as cleaning to animals of other species; to signal their sexual status to other members of the same species; and in mimicry, taking advantage of the warning coloration of another species. Some animals use flashes of colour to divert attacks by startling predators. Zebras may possibly use motion ...
Sleeping the season away. If an animal’s physiology, diet, or other characteristics don’t allow it to stay warm and/or find sufficient food during the winter, an additional set of survival ...
Cott called this a special case of a "coincident disruptive pattern". [7] Another camouflage mechanism, distractive markings, also involves conspicuous marks and has for a century since Thayer's initial description been conflated with it, but the two require different kinds of marking. For distraction, the markings should be small and should ...
Surviving in the wild is no easy feat, but thanks to evolution, many animals evade their predators with a clever deception of the eyes. Since the beginning of time animals have either adapted or ...