451,874 views
13 votes
13 votes
Suppose beak size currently ranges from 6-10mm. If directional selection favors larger beaks (up to a max of 15mm), which statement is true?

User Erwin Kaddy
by
2.8k points

1 Answer

15 votes
15 votes

source of variation needs to create that size

User Derdo
by
3.1k points