Not only does its name anticipate the American document of a century later, the English Bill of Rights anticipates some of the American billâs specific provisionsâfor example, the Eighth Amendmentâs ban on excessive bail and fines and on cruel and unusual punishment.
If the leaf contains carotene, as do the leaves of birch and hickory, it will change from green to bright yellow as the chlorophyll disappears. In some trees, as the concentration of sugar in the leaf increases, the sugar reacts to form anthocyanins. These pigments cause the yellowing leaves to turn red.
Homology: Leave It To the Plants. In the following photos of plants, the leaves are quite different from the normal leaves we envision. Each leaf has a very different shape and function, yet all are homologous structures, derived from a common ancestral form.The pitcher plant and Venus' flytrap use leaves to trap and digest insects.The bright red leaves of the poinsettia look like flower petals.The cactus leaves are modified into small spines, which reduce water loss and can protect the cactus from plant-eaters.omology: Leave It To the Plants. In the following photos of plants, the leaves are quite different from the normal leaves we envision. Each leaf has a very different shape and function, yet all are homologous structures, derived from a common ancestral form.