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type of food the bird eats and the size of the food source. Some birds eat s are better able to eat larger seeds, while birds with small beaks typically that resulted in a reduction in one type of food, namely small seeds. The ition of beak sizes observed. The graph shows the distribution of birds of he change. ation population after environmental change Medium Beak Size Large

type of food the bird eats and the size of the food source. Some birds eat s are better able to eat larger seeds, while birds with small beaks typically that resulted in a reduction in one type of food, namely small seeds. The ition of beak sizes observed. The graph shows the distribution of birds of he change. ation population after environmental change Medium Beak Size Large

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Bird Beak Variation Bird beak size often related to the type of food the bird eats and the size of the food source. Some birds eat seeds as food. Birds with large beaks are better able to eat larger seeds, while birds with small beaks typically eat smaller seeds. An environmental change occurred that resulted in a reduction in one type of food, namely small seeds. The change caused a shift in the distribution of beak sizes observed. The graph shows the distribution of birds of various beak sizes before and after the change. original population Percentage of Population Small population after environmental change Medium Beak Size Large Which statement is BEST supported by the data in the graph? O The percentage of birds with smaller beaks increased because they were better able to find food and survive to reach reproductive age. The percentage of birds with larger beaks increased because they were better able to find food and survive to reach reproductive age. The percentage of birds with smaller beaks increased because there was less competition for food with the large-beaked birds. The percentage of birds with larger beaks decreased because there was increased competition for food with the smaller-beaked birds.
Transcribed Image Text:Bird Beak Variation Bird beak size often related to the type of food the bird eats and the size of the food source. Some birds eat seeds as food. Birds with large beaks are better able to eat larger seeds, while birds with small beaks typically eat smaller seeds. An environmental change occurred that resulted in a reduction in one type of food, namely small seeds. The change caused a shift in the distribution of beak sizes observed. The graph shows the distribution of birds of various beak sizes before and after the change. original population Percentage of Population Small population after environmental change Medium Beak Size Large Which statement is BEST supported by the data in the graph? O The percentage of birds with smaller beaks increased because they were better able to find food and survive to reach reproductive age. The percentage of birds with larger beaks increased because they were better able to find food and survive to reach reproductive age. The percentage of birds with smaller beaks increased because there was less competition for food with the large-beaked birds. The percentage of birds with larger beaks decreased because there was increased competition for food with the smaller-beaked birds.
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