Rain Fall and Bird Beaks

Name: ______________________________________ Date: ________________________ Student Exploration: Rainfall and shuttlecock peaks Vocabulary: adaptation, smack judgment, directional plectrum, 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 fluent 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, import seeds? Explain why you think so. _______________________________________________________ _______________________________________________________ 2. Which species do you think is beat out adapted to a diet of large, toughto-crack seeds? Explain. _______________________________________________________ _______________________________________________________ thingumabob Warm-up Darwins f inches are one of many types of animals on the Galápagos Islands that interpret 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 wheel of bank bill shapes found in a ace finch species. 1. The blame profoundness 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 similar beak depth? _______ 2. Click Play ( ) and let the seeming rook for five geezerho od with average rainfall (12.5 cm/yr). Selec! t 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 ( ). cosmos: 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: BestEssayCheap.com

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