Lesson 6
How is a Population of Radish Plants Likely to Change when Hungry Caterpillars Arrive?
Big Idea:
The same process of natural selection that occurs with animals also occurs with plants. Data show how the distribution of trait variants in a population changes over time.
.png)
Activity:
Students investigate a case of the radish population being invaded by caterpillars. They predict how the radish hairiness trait might change over time and use their radish plant data to test the 6 Key Steps.
Materials to Have Ready
For each student:
Notebook pages 13-14
Colored pencils
For the class:
The class graph from Lesson 3
A paper 6 Key Steps for the class to complete in the lesson. Keep and post after completion.*
Plant life cycle video
*L1-L7 teachers should reference the chart at the end of the lesson plan for an example of how their paper 6 Key Steps chart should work. Please contact eselster@bu.edu if there's any confusion!