Types of Selection

Question 1

Directional

Answer 1

Selection that favours an increase or decrease in the value of a trait from the current population average

Question 2

Stabilizing

Answer 2

Selection against individuals exhibiting a trait that deviates from the current population average

Question 3

Disruptive

Answer 3

Selection that favours two or more variations of a trait that differ from the current population average

Question 4

Sexual

Answer 4

The favouring of any trait that enhances the mating success of an individual (most common forms are female mate choice and male-versus-male competition –> ex. bright colours, behaviours, body size, physical attributes