![]() If dark-colored rock pocket mice had a competitive advantage of 0.1 it would take more than 1,000 years for 95 of. When dark colored fur gives mice a 1 competitive advantage and 1 of the population begins with dark fur, in about 1,000 years 95 if the population will have dark fur. Let's start by watching a video developed by HHMI Biointeractive about this phenomenon. Mutations are always a change in an organism's DNA. In orer to investigate this mystery, we're going to investigate this case of pocket mice evolution using computational models. Remember that fitness is defined by an organism’s ability to survive and produce offspring. Question: Part II: Rock Pocket Mouse To complete part two, youll watch Rock Pocket Mouse Video (opens in a new window) and answer the questions below. Explain why a rock pocket mouse’s color influences its overall fitness. Researchers noticed that rock pocket mice with a dark fur coat were more common on the dark lava flows, whereas the mice with light colored fur coat were more common on the light-colored sand. To end the lesson and allow students to synthesize all they have learned, students answer the following analysis questions (on data sheet): 1. dark-colored mice that live on black lava rock 1 of 3: Why did dark-colored rock pocket mice first appear in a population of light-colored rock. ![]()
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