1. AP Bio Day 4

2. Opener Get your plant from the light box
Make observations in your notebook, where we titled it Drawings
Note: (1) day of experiment, (2) time

3. What you are seeing now

4. Research Question
If we select a trait shown by Brassica rapa and ONLY allow individuals with that trait to reproduce, will the frequency of the trait increase in the next generation?
What can we share out that you see?

5. Agenda How I graded the reading comp Chi Squared Homework Questions
M&M Lab
Homework finish Lab

7. Unit One Learning Target #1
I can explain how natural selection works as a “major mechanism” for evolution
I can determine if a set of data shows statistically significant variation using a Chi-Squared analysis

8. Chi Squared Homework
20 minutes for questions
Pass back old work

9. M and M Lab
Null Hypothesis
Definition
For this lab

10. M&M class data Each table group needs to:
Share number observed for each color of M&M
Enter data on website google sheet! (on website)
THEN, this data will be used to complete the SECOND data table/Chi- Squared analysis
If we have time, you can finish this in class later. If not, it is homework.
DUE Thursday, if not finished in class. You must complete:
Data tables/calculations
Analysis Questions