Summary and Vocabulary

Vocabulary

  • photoperiodism: The reaction of organisms to the length of day or night.
  • season: Subdivision of the year due to a change in weather, ecology, and hours of daylight.
  • phototropism: Growth in response to light.
  • tropism: Growth toward or away from a stimulus.

Summary

  • Plants can respond to the change of season by losing their leaves, flowering, or breaking dormancy.
  • Plants go through seasonal changes after detecting differences in day length.
  • Tropisms are growth toward or away from a stimulus.
http://www.ck12.org/life-science/Seasonal-Changes-in-Plants-in-Life-Science/lesson/Seasonal-Changes-in-Plants/r23/

http://www.ck12.org/life-science/Tropisms-in-Life-Science/lesson/Tropisms/r23/