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![]() Not all downloadable documents for the resource may be available in this format. Volcanic lava flow rich in silica, iron, and magnesium from about 1,000 years ago. ![]() The “Resource Google Folder” link directs to a Google Drive folder of resource documents in the Google Docs format. What caused the appearance of black rock in New Mexicos Valley of Fire Click card to see definition. We would ask that you attribute these to BioInteractive and not use them for commercial purposes. Dark-colored rock pocket mouse populations have been found living on black, basaltic rock formations caused by geologic lava flows. The factor that influences Natural selection in the Rock Pocket mouse case is the mice predator being the hawks. Most rock pocket mouse populations have sandy-colored fur, which is consistent with the light color of the desert rocks and sand on which they live. ROCK POCKET MOUSE LAB ANSWERS FULLThese card images are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CCC BY-NC-SA 4.0) license. View the full answer Transcribed image text: QUESTIONS 1. ROCK POCKET MOUSE LAB ANSWERS ZIP FILEA document within the ZIP file contains suggestions for their use. Remember that fitness is defined by an organisms ability to survive and produce. The “Card Images” ZIP file contains individual image files for the cards used in this activity that can be used in the classroom, particularly in online courses. Explain why a rock pocket mouses color influences its overall fitness. This activity serves as an extension to the short film The Making of the Fittest: Natural Selection and Adaptation and as a means of reinforcing the concepts of variation and natural selection. The activity involves collecting and graphing data and making evidence-based claims. They then order those images based on the data and their knowledge of evolution by natural selection. Students analyze data from images of rock pocket mouse populations in different settings and over time. Which of the New Mexico population have the Mclr mutation? Select What is their coat color? Select 3.This activity allows students to collect and analyze data on the evolution of coat color in rock pocket mouse populations living on differently colored substrates. Compare the amino acid data of dark-colored mice from the three New Mexico populations to that of the wild-type (light-colored) mice in the Pinacate region. HOW MANY mutations are in MCIR protein in the Pinacate DARK rock pocket mouse population as compared to the Pinacate LIGHT mouse population? 2b. Examine Figure 4 data from Pinacate light and dark mouse populations. The mutated version of the Mclr gene results in an increase in the production of eumelanin by melanocytes, resulting in the dark coat-color phenotype. ROCK POCKET MOUSE LAB ANSWERS SKINWhen the normal Mclr gene is present, melanocytes, which are melanin-producing skin cells, decrease the production of the dark- colored pigment called eumelanin and increase the production of the light-colored pigment, pheomelanin. This receptor plays a role in the coat color of the rock pocket mouse. The Mcir gene encodes a protein called Melanocortin 1 receptor (Mcin). (Hint: Use "natural selection" as part of your answer.) 4Ģ. What is the best explanation for these two facts? Discuss both. Remember When creating a graph, the independent variable always. ![]() Dark-colored rock pocket mouse populations have been found living on black, basaltic rock formations caused by geologic lava flows. Be sure to provide a graph title, labels for the x- and y-axes, and remember to include a key. dark fur color evolved independently on each lava flow d. The illustrations and short film show that there is natural variation of coat color in the population of rock pocket mice living on the lava flow. there are at least two genes involved in creating dark-colored mouse fur c. View the images of the rock pocket mouse populations in each location and record the numbers for each color. Students may also mention that the change is random, but this is not necessary for a complete answer. colored sand and rock, but patches of dark volcanic rocks that formed from cooling lava flows are found, separated by several kilometers of light colored substrate. A mutation is a change in an organism’s DNA sequence. dark-colored fur evolved only once in rock pocket mice b. Ann Brokaw presents three BioInteractive resources she uses to support the short film Natural Selection and Adaptation. ANSWER KEY THE MAKING OF THE FITNESS: NATURAL SELECTION AND ADAPTATION (Key Concept A) Define mutation. Most rock pocket mouse populations have sandy-colored fur, which is consistent with the light color of the desert rocks and sand on which they live. (Note: More than one answer is correct.) a. ![]()
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