Evolutionary Mechanisms

Directional selection (correct)

Sexual selection

Disruptive selection

Stabilizing selection

Large and colorful appearance to attract mates

Small and drab-colored appearance to avoid detection by pike (correct)

Aggressive behavior towards other guppies

Ability to swim against the current

Introduction of a new predator

Absence of selection for small and drab-colored traits (correct)

Genetic mutation

Competition with other fish species

<p>The area below the waterfall with pike</p> Signup and view all the answers

<p>Absence of selection pressure</p> Signup and view all the answers

<p>Phenotypic change towards larger, more colorful guppies</p> Signup and view all the answers