Villetta Courtois November 21, 2019 Animal
Many animals, including mammals, birds, and amphibians, are unable to synthesize most of the pigments that color their fur or feathers, other than the brown or black melanins that give many mammals their earth tones.For example, the bright yellow of an American goldfinch, the startling orange of a juvenile red-spotted newt, the deep red of a cardinal and the pink of a flamingo are all produced by carotenoid pigments synthesized by plants. In the case of the flamingo, the bird eats pink shrimps, which are themselves unable to synthesize carotenoids. The shrimps derive their body color from microscopic red algae, which like most plants are able to create their own pigments, including both carotenoids and (green) chlorophyll. Animals that eat green plants do not become green, however, as chlorophyll does not survive digestion.
Pigments are colored chemicals (such as melanin) in animal tissues.
Much to our disbelief, a study published in the Art Therapy: Journal of the American Art Therapy Association 22(2) pp. 81-85 provides support that coloring mandalas or geometric patterns actually does help lower stress and anxiety levels. Nancy A. Curry, BA, completed this project while pursuing an undergraduate degree at Knox College with then associate professor, Tim Kasser, Ph.D., who is now the Professor and Chair of Psychology at Knox College.
Protective resemblance is used by prey to avoid predation. It includes special protective resemblance, now called mimesis, where the whole animal looks like some other object, for example when a caterpillar resembles a twig or a bird dropping. In general protective resemblance, now called crypsis, the animal’s texture blends with the background, for example when a moth’s color and pattern blend in with tree bark.
As with all human beings children are also “psychological and physiological” intellectual beings. Children use their senses to facilitate communication with their environment. They use their sense of sight together with light and colors as well as other visual environmental factors, to communicate. According to research studies, color carries critical importance in the development of the cognitive and motor skills of the children.
Advertising coloration can signal the services an animal offers to other animals. These may be of the same species, as in sexual selection, or of different species, as in cleaning symbiosis. Signals, which often combine color and movement, may be understood by many different species; for example, the cleaning stations of the banded coral shrimp Stenopus hispidus are visited by different species of fish, and even by reptiles such as hawksbill sea turtles.
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