most photosynthetic organisms contain chlorophyll, the pigment that gives them a  ____________  color, however, this color can be masked by other pigments during certain periods of the year.
The green pigment chlorophyll chlorophyll, green pigment that gives most plants their color and enables them to carry on the process of photosynthesis. Chemically, chlorophyll has several similar forms, each containing a complex ring structure and a long hydrocarbon tail......