Biology > STUDY GUIDE > Gizmo Natural Selection -All Answers Correct REVISED BY EXPERTS 2021 (All)

Gizmo Natural Selection -All Answers Correct REVISED BY EXPERTS 2021

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Natural Selection Gizmo Name: Jordyn Donald Vocabulary: biological evolution, camouflage, Industrial Revolution, lichen, morph, natural selection, peppered moth Prior Knowledge Questions (Do these ... BEFORE using the Gizmo.) 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? Answer: Light speckled morph 2. Which morph do you think would be easier to see on a light tree trunk? Answer: Dark morph 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. 1. Check that LIGHT TREES is selected. Click Play ( ), and hunt moths for one year. A. How many dark moths did you capture? Answer: 4 B. How many light moths did you capture? Answer: 2 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? Answer: The light moths are best camouflaged 2. If a forest contained mostly light-colored trees, which type of moth would you expect to be most common? Answer: Light moths are most common because they are camouflaging. [Show More]

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