(Get Answer) - 29 Done Student Exploration - Natural Selection copy 5 AD 0 Explor...| Transtutors (2024)

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29 Done Student Exploration - Natural Selection copy 5 AD 0 Explor learning Gizmos Name: MichaelBivona Student Exploration: Natural Selection Vocabulary: biological evolution, camouflage, Industrial Revolution, lichen, morph, natural selection, peppered moth Date: Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Photo by Maarten Sanne The peppered moth (Biston betularia) is a common moth found in Europe, Asia, and North America. It is commonly found in two forms, or morphs: a dark morph and a light, speckled morph. Birds are a frequent predator of the peppered moth. 1. Which morph do you think would be easier to see on a dark tree trunk? Gizmo Warm-up The Natural Selection Gizmo™ allows you to play the role of a bird feeding on peppered moths. The initial population of 40 moths is scattered over 20 tree trunks. Click on moths to capture them. Click the Next tree button (or the spacebar on your keyboard) to advance to the next tree. 2. Which morph do you think would be easier to see on a light tree trunk? Activity A: Light trees LTE 1. Check that LIGHT TREES is selected. Click Play (), and hunt moths for one year. A. How many dark moths did you capture? B. How many light moths did you capture? How many moths can you find? C. Camouflage is coloring or patterns that help an organism to blend in with the background. Which type of moth is better camouflaged on light bark? Reproduction for educational use only. Public sharing or posting is prohibited 2014 ExploreLearning All rights reserved 2. If a forest contained mostly light-colored trees, which type of moth would you expect to be most common? Get the Gizmo ready: • Click Reset (2). . Check that the LIGHT TREES tab is selected. Introduction: Before the 19th century in England, the air was very clean. The bark on trees was usually light in color. Abundant lichens growing on tree trunks also lightened their appearance. Question: How does the color of a peppered moth affect survival? 1. Predict: Over time, what will to happen to the populations of light and dark moths on light trees? 2. Experiment: Click Play and hunt peppered moths on light tree trunks for five years. In each year, try to capture as many moths as you can. Note: You can use the spacebar on your keyboard to quickly advance to the next tree. After 5 years, select the TADLL tap and record the percentages or each moth type. (Note: pulations of pash math t contund mathe) ... || äl

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