Chlorophyll is a type of pigment, which is?

A second kind of chlorophyll is chlorophyll "b", which occurs only in "green algae" and in the plants. ... Carotenoids cannot transfer sunlight energy directly to the photosynthetic pathway, but must pass their absorbed energy to chlorophyll. For this reason, they are called accessory pigments.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.