As a tree goes into dormancy, its leaves change color. What causes this change in color?

A) The tree makes extra chlorophyll.

B) The tree stops making chlorophyll.

C) The tree produces extra hormones.

D) The tree stops producing hormones.

B!

"Now it's autumn, and you're ready - - okay, almost ready - - to be back in school. Those hardworking trees, on the other hand, need to take a break from all that photosynthesizing. When leaves change color from green to yellow, bright orange, or red, you'll know that trees are beginning their long winter's rest."