Question 12 is an open-response question. BE SURE TO ANSWER AND LABEL ALL PARTS OF THE QUESTION.
Show all your work (diagrams, tables, or computations) in your Student Answer Book
If you do the work in your head, explain in writing how you did the work.
Vrite your answer to question 12 in the space provided in your Student Answer Booklet.
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12
The fur color of collared lemmings changes to white at a certain time of the year.
a. Explain how the change in fur color is an advantage to collared lemmings.
When temperatures rise above freezing, snow melts, which causes changes in the collared
lemmings' habitat.
b. Describe two ways warming temperatures could cause the size of the collared lemming
population to decrease.
c. Describe how fur color in the collared lemming population will likely change over time as
temperatures increase because of climate change. Explain your answer using the principles
of natural selection,