Name ______________________________________ Period ______ Date _______________ Sci # _____
Lab Report Grade Sheet – Natural Selection Lab
Please make sure you have each of the following included in your lab:
Student/Teacher
______ ______
Title (1 pt)
Catchy, but descriptive
______ ______
Background Information/Introduction (3 pts)
Explain the idea of natural selection
Three or more sentences
______ ______
Hypothesis (2 pts)
What do you think will happen to shell colors in each population of yum-yums
over time?
Write your prediction as a hypothesis (statement, not a question)
______ ______
Data Collection/Observations (15 pts)
Answers to questions 2a, 2b (2 pts)
Data table included – from class (1 pt)
Three bar graphs – each graph must include: (4 pts/graph = 12 pts)
 Title
 Labels for both x and y-axes
 Key
 Completely filled out
______ ______
Data Analysis – 4 paragraphs minimum (22 pts)
Analyze each graph in a separate paragraph (6 pts each)
Use the following prompts in each paragraph:
 “On Ketchup Island, it appears that the red yum-yum population……”
 Explain that statement in terms of the red yum-yums, the gobbler, and the
environment.
 “In addition, the yellow yum-yum population……”
 Explain that statement in terms of the yellow yum-yums, the gobbler, and
the environment.
 “Finally, the green yum-yum population…..”
 Again, explain that statement in terms of the green yum-yums, the gobbler,
and the environment.
Last paragraph discussing the following: (4 pts)
 Yum-yums have a sweet taste that is preferred by gobblers. Suppose a
mutation occurred in the yum-yum gene for taste. The mutation resulted in
offspring with a bitter taste. What would you expect to happen to that
mutation over time? Explain what would happen to the percent of yumyums with the mutation after many generations.
______ ______
Conclusion (5 pts)
Include the following prompts in your conclusion:
 Restate the purpose of this lab activity – “The purpose of this lab was…..”
 Restate your hypothesis – “My hypothesis stated that….
 State whether or not the data you obtained supported your hypothesis –
“According to the data we obtained during this activity, my hypothesis…..
 Relate your results to the idea of natural selection – “This lab activity
showed how natural selection can occur. For example…..
5 sentences minimum
______ ______
Work Pride (2 pts)
Paper is neatly typed
All sentences are complete
Spelling and grammar are correct
__________/50
Total Points (50 pts)