List and describe the functions carried out in the renal tubules

How does an angiosperm prevent self pollination

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.

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the