Dolly the sheep, the first mammal cloned from a somatic (body) cell, came into the world innocent as a lamb. However, soon after the announcement of her birth in February 1997 (Wilmut et al., 1997) she caused panic and controversy. An important, and for many people troubling question arose: if the cloning of sheep is possible, will scientists soon start cloning humans as well; and if they did, would this be wrong or unwise? For most people, Dolly was really a wolf in sheepâs clothing.
Plants contain other pigments that reflect different colors, but these are often masked by Chlorophyll. An example of another common pigment is the carotenoids. During autumn, when the days begin to shorten, the amount of chlorophyll in the leaves of trees is dramatically reduced.
Bees are one of the main reasons that so many flowers are brightly colored. This is because they are attracted to the brighter colored flowers. As a result, these are the flowers that often get pollinated. Some colors have more influence on bees than others. Bees also see in a slightly different spectrum than humans. They are able to see into the ultraviolet part of the electromagnetic spectrum that we humans are not able to see. As a result of this type of vision, bees are also unable to see the color red, and are very attracted to the colors yellow and blue.