All biological pigments selectively absorb certain wavelengths of light while reflecting others. The principal pigments responsible are: 1  Chlorophyll is the primary pigment in plants; it is a chlorin that absorbs yellow and blue wavelengths of light while reflecting green.2  It is the presence and relative abundance of chlorophyll that gives plants their green color.he primary function of pigments in plants is photosynthesis, which uses the green pigment chlorophyll along with several red and yellow pigments that help to capture as much light energy as possible. Other functions of pigments in plants include attracting insects to flowers to encourage pollination.
serif - a short line at the end of the main strokes of a character. seriph. printing process, printing - reproduction by applying ink to paper as for publication. line - a mark that is long relative to its width; He drew a line on the chart.
Font Categories There are three basic categories of fonts: Serif, Sans-Serif and Script. Here is a description of each font category, some examples of each and when each should be use. Serif â A serif font is one that has serifs or the extra tails on the end of each letter.ont Sizes The question of how big of a font should be used on a slide so the text is easy to read is a question that can only truly be answered with It depends.. It depends on the size of the screen and the size of the room.