Curated OER
Color-Changing Cells
Learners gather information about photoperiodism and senescence. They visually represent their comprehension about these processes in a 3-dimensional model. Students graphically distinguish between colors in a key.
Curated OER
Plant Responses
In this plant response instructional activity, students will explore the different responses plants have to different stimuli, including light and gravity. Students will complete 7 multiple choice questions and 3 fill in the blank...
University of Hamburg
University of Hamburg: Photoperiodism and Stimulation
A good summary of the photoperiodic effects of plants. Discussion of the way that the length of the day effects the growth of plants.
McGraw Hill
Mhhe: Plant Growth and Growth Regulators
A very good overview of the hormonal control of plant responses to different environmental cues. Good place to start research.
CK-12 Foundation
Ck 12: Life Science: Seasonal Changes in Plants
[Free Registration/Login may be required to access all resource tools.] Have you seen the leaves of plants change colors? During what time of year does this happen? What causes it to happen? Plants can sense changes in the seasons....
CK-12 Foundation
Ck 12: Biology: Animals: Behavior Study Guide
This comprehensive study guide covers the necessary vocabulary and concepts for a unit on animal behavior.