-A finch species has evolved to have two types of beaks, small or large. There are no birds with medium-sized beaks. This mode of natural selection is represented by which letter(s) in the accompanying figure?
A)A only
B)B only
C)C only
D)A and C
E)B and C

Question

-A finch species has evolved to have two types of beaks, small or large. There are no birds with medium-sized beaks. This mode of natural selection is represented by which letter(s) in the accompanying figure?
A)A only 
B)B only 
C)C only 
D)A and C 
E)B and C

Quizplus · Accepted Answer

This scenario describes disruptive selection, where extreme traits are favored over intermediate traits, leading to a bimodal distribution.

-A Finch Species Has Evolved to Have Two Types of Beaks