Gizmo Mutation and Natural Selection 1 - 2021 | Student Exploration: Evolution: Mutation and Selection

Name: Date: Student Exploration: Evolution: Mutation and Selection Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: adaptation, allele, allele sequence, chromosome, evolution, fitness, gene, genotype, mutation, natural selection, phenotype, trait Pre-lab Questions (Do these BEFORE using the Gizmo.) 1. Imagine a white bug and a brown bug on a brown rock. Which bug do you think a bird would most likely try to catch? Explain your choice. 2. What if the bugs were sitting on a white sandy beach? Gizmo Warm-up In the Evolution: Mutation and Selection Gizmo, you will see how a species’ fitness can change over time as it becomes better adapted to its environment. 1. On the SIMULATION pane, what is the Average fitness of the population? 50% 2. On the CONTROLS pane, experiment with the Background color sliders. A. Which background color results in the highest fitness? White B. Which background color results in the lowest fitness? Black- - - - - -