Rain Fall and Bird Beaks

Name: ______________________________________ Date: ________________________ Student Exploration: Rainfall and raspberry government notes Vocabulary: adaptation, smack judgment, directional infusion, drought, evolution, natural selection, depart, stabilizing selection prior(prenominal) Knowledge Questions (Do these BEFORE using the doodad.) During the voyage of the HMS Beagle (18311836), the young Charles Darwin unflurried several species of finches from the Galápagos Islands. Two of Darwins finches be shown below. 1. Which species do you think is shell adapted to a diet of small, scrap seeds? Explain why you think so. _______________________________________________________ _______________________________________________________ 2. Which species do you think is dress hat adapted to a diet of large, toughto-crack seeds? Explain. _______________________________________________________ _______________________________________________________ thingumabob Warm -up Darwins finches are one of many types of animals on the Galápagos Islands that play unique adaptations, or traits that help an organism survive in its environment. The Rainfall and Bird Beaks Gizmo™ allows you to explore how rainfall influences the stray of bank bill shapes found in a case-by-case finch species. 1. The motor horn prescience of a finch is the distance from the top of the beak to the bottom, as shown. A.

What is the current average beak depth in the Gizmo? ________________________ B. destine the HISTOGRAM tab. Do all the finches have the alike(p) beak depth? _______ 2. Click Play ( ) and let the computer simulation rook for five eld with average rainfall (12.5 cm/yr). Select the GRAPH tab and view! the Finches vs time and Beak depth vs time graphs. A. How does the finch population agitate? __________________________________ B. Does the beak depth change significantly? ________________________________ Activity A: Normal years Get the Gizmo ready: Click Reset ( ). origin: The Galápagos Islands are very dry, with an average rainfall on some...If you want to besot a full essay, order it on our website: OrderEssay.net

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