types of selection

Question 1

Directional selection

Answer 1

favors a trait shifted towards one of the
tails of normal distribution.
Galapagos finches

Question 2

Stabilizing selection

Answer 2

individuals in both tails of curve at sel disadvantage.
lesser Snow Geese hatching day

Question 3

Disruptive selection

Answer 3

occurs when tails of distrib favored over intermediate phenos.
Guppies in Trinidad