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Question: Natural Selection Experiment Inventory Labware Materials Blue Beads Red Beads Access to a Color P…


Natural Selection Experiment Inventory Labware Materials Blue Beads Red Beads Access to a Color Printer 100 mL Beaker Note: You must provide the materials listed in red. EXPERIMENT 4:NATURAL SELECTION Natural selection is a selection pressure that affects phenotypes in one of three ways: 1. A phenotype may have an adaptive advantage. 2. A phenotype may have an adaptive disadvantage. 3. A phenotype may remain entirely neutral. A classic example to ilustrate moths were a light color though a rare, darker phenotype of the species existed. The lighter color blended with the ight bark local trees. The darker moths experienced a higher p produce. As England entered the Industrial Revolution, the burning of fossil fuels ir trees became coated with soot, and their color darkened. The lighter better camouflaged. As more dark moths than light moths survived to reproduce, the ratio of light vs dark the darker phenotype. natural selection comes from England. Prior to the Industrial Revolution, the majority of the native redation rate as they were easier for birds to spot, and few survived to re- moths became more conspicuous, and the darker moths were moths changed in favor a color copy of the Red Habltat (Figure 7) and the Blue Habitat (Figure 8), found on the next two pages 1. Place 50 red and 50 blue beads into a 100 mL beaker 2. Mix them wei, and pour them onto the Red Habitat sheet. 3. Return t to the beaker the beads that fall onto the habitat areas that match their color. For each bead you keep (and return to the beaker), add another bead of the same color to the beaker. □5. Repeat this three times. G. Record the resulting 7. Repeat Steps 2-6 using the Biue Habitat with the remaining beads. a. Answer the pos-lab questions. distribution of colors on your data sheet
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Natural Selection Experiment Inventory Labware Materials Blue Beads Red Beads Access to a Color Printer 100 mL Beaker Note: You must provide the materials listed in "red. EXPERIMENT 4:NATURAL SELECTION Natural selection is a selection pressure that affects phenotypes in one of three ways: 1. A phenotype may have an adaptive advantage. 2. A phenotype may have an adaptive disadvantage. 3. A phenotype may remain entirely neutral. A classic example to ilustrate moths were a light color though a rare, darker phenotype of the species existed. The lighter color blended with the ight bark local trees. The darker moths experienced a higher p produce. As England entered the Industrial Revolution, the burning of fossil fuels ir trees became coated with soot, and their color darkened. The lighter better camouflaged. As more dark moths than light moths survived to reproduce, the ratio of light vs dark the darker phenotype. natural selection comes from England. Prior to the Industrial Revolution, the majority of the native redation rate as they were easier for birds to spot, and few survived to re- moths became more conspicuous, and the darker moths were moths changed in favor a color copy of the Red Habltat (Figure 7) and the Blue Habitat (Figure 8), found on the next two pages 1. Place 50 red and 50 blue beads into a 100 mL beaker 2. Mix them wei, and pour them onto the Red Habitat sheet. 3. Return t to the beaker the beads that fall onto the habitat areas that match their color. For each bead you keep (and return to the beaker), add another bead of the same color to the beaker. □5. Repeat this three times. G. Record the resulting 7. Repeat Steps 2-6 using the Biue Habitat with the remaining beads. a. Answer the pos-lab questions. distribution of colors on your data sheet

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