Biological pigment symbiosis Trididemnum solidum, their colors are different depending on the light regime in which they live. The colonies that are exposed to full sunlight are heavily calcified, thicker, and are white. In contrast the colonies that live in shaded areas have more phycoerythrin (pigment that absorbs green) in comparison to phycocyanin (pigment that absorbs red), thinner, and are purple. The purple color in the shaded colonies are mainly due to the phycobilin pigment of the algae, meaning the variation of exposure in light changes the colors of these colonies. Aposematism is the warning coloration to signal potential predators to stay
The "What Time Is Love?" Story half the price of a conventional album. Released on 25 September 1989 on LP and CD, "The "What Time Is Love?" Story" used the same basic design lay-out as the "Pure Trance Original" singles, but the colour scheme was altered: lurid pink writing on lurid green (for the vinyl), and lurid green on lurid pink (for the CD). Many commentators have speculated that all of these 'covers' were in fact the work of The KLF themselves. "Q" magazine, for example, commented that "one wonders why all the vocalists sound so alike (and British, even when praising Allah)" and asked of