Miss Long's 8th Grade Science
Name: ________________________________Natural Selection Quiz Review SheetVocabulary you need to know: Adaptation TraitNatural SelectionFitnessPopulationSpeciesVariationMutationCompetitionExplain the four parts of Darwin’s Theory of Evolution (page 178 of green life science text book)OverproductionInherited VariationStruggle to SurviveSuccessful ReproductionHow did Darwin’s observations of finches, tortoises, and other organisms in the Galapagos Islands influence his Theory of Evolution by Natural Selection? Explain the relationship between beak size in Galapagos finches and the amount of rain received on the islands over time. You can find two different varieties of the rock pocket mouse in the Sonoran Desert, a light colored variety and a dark colored variety. There are also two major colors of substrate, or surface materials that make up the desert floor. Most of the landscape consists of light 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. Fill in the table below with your prediction of what will happen to the light and dark colored mouse populations in an area that has just had a lava flow. The first two years have been filled in for you. Then, graph your prediction to show how rock pocket mouse populations will change over the next 10 years. You should make a line graph with two lines. Assume year one was the first year after the lava flow. Don’t forget to label each axis and include a legend.Rock Pocket Mouse PopulationsYearLight Colored Mouse PopulationDark Colored Mouse Population16051122537198345678910115908110877500Did the lava flow that changed the ground surface (substrate) in the Sonoran Desert cause the mutation for dark fur in Rock Pocket Mice? Explain. Make a concept map using the following words: selection (or selective), adaptation (adaptive), fitness (fittest/better fit), reproduce (reproduction), environment, variation, and species. You can add as many other words as you wish. ................
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