if (prefsArray[20] != 0) { document.write(prefsArray[20])}. We also use third-party cookies that help us analyze and understand how you use this website. Why did the finch populations change from 1976 to 1978? The most likely candidate was HMGA2, which is known to affect size and face structure in other animals. However, in the 1978 graph, it shows that the max beak length is 13.9 mm while the minimum beak length is 8.5 mm. Nature (2016). Students are given the chance to choose and develop their argument about which mechanism of microevolution caused the change in the average size of the beak in the population of medium ground finches. Even fewer would have the patience to catch, weigh, measure, and identify hundreds of small birds and record their diets of seeds. if (prefsArray[64] != 0) { document.write(char='0ABCDE'.charAt(prefsArray[64])+"");} Why don t the biggest and strongest individuals in a population? The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. 2 How do the bird populations respond to drought? In 1977 there was very little rain on the island. if (prefsArray[42] != 0) { document.write(char='0ABCDE'.charAt(prefsArray[42])+"");} PNAS if (prefsArray[56] == 4) { document.write("")} New The reasons for the death of so many finches quickly became clear. What process is the following image depicting? "@("_}+`?6Mph-o}yKkl *h`pMS@,7d854X$Amc5'cNL?}y0Me83gNhLobqI10cHN@=t / ;@ = if (prefsArray[31] == 4) { document.write("")} 4 What was the average beak depth in 1978? Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. !1:(l.clearRect(0,0,o.width,o.height),l.fillText(a(55356,57331,65039,8205,55356,57096),0,0),e=o.toDataURL(),l.clearRect(0,0,o.width,o.height),l.fillText(a(55356,57331,55356,57096),0,0),e!==o.toDataURL());case"emoji4":return l.fillText(a(55357,56425,55356,57341,8205,55357,56507),0,0),e=o.toDataURL(),l.clearRect(0,0,o.width,o.height),l.fillText(a(55357,56425,55356,57341,55357,56507),0,0),e!==o.toDataURL()}return!1}(i[n]),e.supports.everything=e.supports.everything&&e.supports[i[n]],"flag"!==i[n]&&(e.supports.everythingExceptFlag=e.supports.everythingExceptFlag&&e.supports[i[n]]);e.supports.everythingExceptFlag=e.supports.everythingExceptFlag&&!e.supports.flag,e.DOMReady=!1,e.readyCallback=function(){e.DOMReady=!0},e.supports.everything||(r=function(){e.readyCallback()},a.addEventListener?
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