Natural Selection In Pocket Mice Worksheet Answers

1a which of the following do you think describes populations of rock.

They also come in different fur colors from tan to black. Consider the dark and light colored rock pocket mice. Some of the rock pocket mice have light fur and some have dark fur. Be specific and consider both the light colored and dark colored phenotypes.

The rock pocket mouse is an excellent model organism to study geographic variation in phenotype within a single species. Sep6 cat collins 2 16 17 natural. Hs ls1 1 hs ls3 2 hs ls4 2 hs ls4 4 hs ls4 5. Evolution of fur color in mice mutation environment and natural selection 1 rock pocket mice live in a desert where many areas have light colored sand or rocks and other areas have dark rocks.

Rock pocket mice that live in areas with a light colored granite substrate are usually sandy in color. Most rock pocket mice that live in areas covered by dark colored lava rocks however are dark in color. They make a living in the intense heat of the desert. Natural selection and adaptation allele and phenotype frequencies in rock pocket mouse populations.

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Scientists have a good understanding of what causes fur color in individual mice. Gene in the introduction and your knowledge of proteins develop a hypothesis to explain how the change in mc1r protein function might directly affect a rock pocket mouse s coat color. Questions to answer while watching the film 1. Natural selection and adaptation 7.

The dark rocks are cooled lava from volcanic eruptions. The amount type and distribution of a pigment molecule called melanin gives fur its color. Using the information on the. Students then determine the sequence of these images placing the oldest first and the most recent last.