Many plants respond to the days growing shorter in the fall by going dormant, and autumn or Fall is already here. Given these facts, how do many plants respond to days getting shorter in autumn among the following options:
- Change colors
 - spread seed
 - Exfoliation
 - bioaerosols
 - grow a layer of fur
 - go dormant
 - adding heat
 - enlarge themselves


 

      go dormant   