The word
means "center-seeking."
answer here

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Which of the following typically characterizes a tropical rainforests

Cells are adapted to preform specific functions. which of the following terms refers to this capability?