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Color blind test for kids with animals4/10/2024 The book is not only a good source of information for children but also for teachers and helps to better understand color blindness and how you can support children affected by this deficiency.ĭear teachers, please learn more about color blindness, try to understand it, be aware of it whenever colors are involved or even buy one of this posters. She also gives some hints and tipps for everyday life. That’s why she wrote a book on color vision deficiency for children to explain this phenomenon in simple words and pictures. If color blindness is understood a teacher can support affected children by choosing correct colors, supporting colors with signs and be a helping hand if colors are the source of understanding for example in biology classes.Īrlene Evans found out about this lack of information when she was working as a school teacher. It can lead to unexplainable test results, completely wrong answers and misunderstandings. But if the teacher and the child would know about it there learning experience could be improved a lot.Ĭolor blindness is frustrating not only for the affected child but also for teachers. As a conclusion there is about in every school class a child which has some kind of color vision deficiency and usually this isn’t recognized immediately. There are approximately 8% of men affected by color blindness. Somewhere I spotted the number 99 until my wife corrected me - it is the number 79. Nothing else! Well, if I look very close I can see some numbers. Only at the bottom to the left and right side I can see some lines and that’s about it. Birds can see these colors and know to avoid the bugs.As for my person I just feel like a blind man when I look at all the dots. The insects come in two types of warning colors: solid orange and orange with iridescent turquoise patches. (See " Photos: Masters of Disguise-Amazing Insect Camouflage.") In some ways, the cotton harlequin bug of Australia seems to have the best of both worlds: Warning colors and camouflage, which each serve to dissuade a different predator. This showed that the color-blind predator could still detect a difference in color via something called luminance contrast, or “the amount of light reflected off the prey,” Prudic says. The mantids learned to avoid the high-contrast bugs more quickly and retained that aversion longer than they did with low-contrast bugs. In a 2007 study published in Behavioral Ecology, Prudic tested how color-blind Chinese mantids would react to bitter-tasting milkweed bugs painted with gray paint of different contrasts and set against a gray background. Such warning colors “often vary, what appears to be key is the contrasting dark-usually black or dark brown-and either yellow, orange, red, or white patterning,” like the monarch, Robert Espinoza, a biologist at California State University, Northridge, says via email. Some mammals that have no venom, such as like skunks and honey badgers, have striking black-and-white stripes that communicate to predators they might be in for a nasty fight or a noxious spraying. (See "Belly Up: Why Do Some Snakes Have Elaborate Belly Patterns?") Monarch butterflies, poison dart frogs, and coral snakes are examples of toxic animals that sport warning colors, hues that would-be predators quickly learn and remember to avoid. But other predators, such as some types of sharks and lions, which may not rely as much on color, have evolved to be color-blind. Humans have good color vision, and some animals, like jumping spiders, can see even more hues than we can. That’s the gist behind Saturday’s Weird Animal Question of the Week from TJ Skelton, who asks via Facebook: “Can a color-blind animal still tell if another animal is, even if they can’t see the bright colors?” What’s the point of dressing up if others can't appreciate your outfit?
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