Name __________________________________________ Date ________________________________
Natural Selection and Rock Pocket Mice
In what environment does the rock pocket mouse fit best?
Does the mouse have a preference for the color of rock he lives on? If not, then why does
he live there?
How did a black mouse appear in the population?
What is a mutation?
If dark color gives mice a 1% advantage, how long before 95% of the mice population will
be dark?
If dark color gives mice a 10% advantage, how long before 95% of the mice population
will be dark?
Although the pocket mice prove that evolution is not random, what aspect is random?
Is natural selection considered random? Why or why not?
What did the scientist discover about dark mice from other lava flow areas?