https://padlet.com/lindsayweber25/o8grye3diab4cdzw Natural selection is the reason why the medium ground finches beak increased in size from 1976 to 1978 en-us 2021-02-02 16:27:39 UTC 2023-04-18 06:52:48 UTC hello@padlet.com lindsayweber25 https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159453372 The drought caused the birds with longer beaks to survive, while the birds with shorter beaks died off. This was caused by the longer beaks able to drink little puddles of water easier. As the bird population went from 751 in 1976 decreased to 186 in the end of 1977. ]]> 2021-02-03 15:59:07 UTC https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159453372 lindsayweber25 https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159470203 The birds with longer beaks could reach the limited amount of seeds better, the birds with shorter beaks were dying off from starvation. Before the drought occured, there were tribulus seeds 9 and 10 square meter, but after the drought there were only 8 and 3 square meters. ]]> 2021-02-03 16:01:53 UTC https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159470203 lindsayweber25 https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159530628 The birds with the longer and larger beaks could survive with the changes to seed type tribulus while the birds with smaller beaks died off. ⅓ of the population decreased due to starvation.]]> 2021-02-03 16:11:53 UTC https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159530628 lindsayweber25 https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159536803 This proves that it was natural selection because the birds with longer beaks could more easily reach the small amounts of water, because the beak could drink the water easier and the larger beak would have to put the whole beak in water, and those who didn’t ended up dying off because they were unable to get to the water to survive.]]> 2021-02-03 16:12:55 UTC https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159536803 lindsayweber25 https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159539882 This proves that is natural selection because of the drought there was limited seeds so the birds with smaller beaks couldn't reach the seeds in the plants and the birds with longer beaks could reach the seeds into the plants/flowers. So now that the seeds are larger and there are less seeds they need longer beaks in order to get the seeds easier.]]> 2021-02-03 16:13:24 UTC https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159539882 lindsayweber25 https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159543101 This is because due to the drought the larger seeds were more abundant while there was few small seeds so the birds with larger beaks could easily crack the larger tribulus seeds while the short beaked birds could not.

]]> 2021-02-03 16:13:53 UTC https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159543101 lindsayweber25 https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159557396 2021-02-03 16:16:14 UTC https://padlet.com/lindsayweber25/o8grye3diab4cdzw/wish/1159557396