Biology Practice Problems Genetic Variation Practice Problems Solution: Ancestors of giraffes with shorter necks could not...

Solution: Ancestors of giraffes with shorter necks could not reach branches high up in trees for food. This led to ____ for longer necked giraffes. a.  Stabilizing selectionb.  Disruptive selectionc.  Artificial selectiond.  Sexual selectione.  Directional selection

Problem

Ancestors of giraffes with shorter necks could not reach branches high up in trees for food. This led to ____ for longer necked giraffes. 

a.  Stabilizing selection

b.  Disruptive selection

c.  Artificial selection

d.  Sexual selection

e.  Directional selection