In this lab, you will simulate how predators locate prey in different environments. You will analyze how different traits affects an organism's ability to survive in different environments.

Beginner

Click on the link below to access the Peppered Moth Simulation and answer the questions that follow:

http://peppermoths.weebly.com/

1. Explain how the color of the moths increases or decreases their chances of survival.

2. Explain the concept of "natural selection" using your moths as an example.

3. What would happen if there were no predators in the forest? Would the colors of the moths change over time? Defend your answer?

Advanced

Click on the link below to access the Birds on an Island simulation and answer the questions that follow:

http://sepuplhs.org/high/sgi/teachers/evolution_act11_sim.html

1. What was the source of the changes in phenotype?

2. How did changing the type of food affect the bird populations?

3. What was the impact of adding predators to the environment on the phenotypes of the birds?

4. Explain the concept of "natural selection" using the birds as an example.