Pepper+Moths


 * Natural Selection in Black and White**: http://www.techapps.net/interactives/pepperMoths.swf

//**Peppered Moth Simulation**// Simulate changes in moth population due to pollution and predation, and observe how species can change over time.
 * Objective**:

Charles Darwin accumulated a tremendous collection of facts to support the theory of evolution by natural selection. One of his difficulties in demonstrating the theory, however, was the lack of an example of evolution over a short period of time, which could be observed as it was taking place in nature. Although Darwin was unaware of it, remarkable examples of evolution, which might have helped to persuade people of his theory, were in the countryside of his native England. One such example is the evolution of the peppered moth, //Biston betularia//.
 * Review**:

The economic changes known as the industrial revolution began in the middle of the eighteenth century. Since then, tons of soot have been deposited on the country side around industrial areas. The soot discolored and generally darkened the surfaces of trees and rocks. In 1848, a dark-colored moth was first recorded. Today, in some areas, 90% or more of the-peppered moths are dark in color. More than 70 species of moth in England have undergone a change from light to dark. Similar observations have been made in other industrial nations, including the United States.

You will complete the simulation two times; during this time you will play the part of a blue-jay that eats moths. After you are done (on scratch paper) the % of dark moths and light moths - you will need this information later.
 * Instructions**:

Simulation: []

Save the document as "Pepper Moths - Firstname Lastname". Respond to the analysis items in RED. Send your completed responses to worlddynamics101@gmail.com. The Subject must be "Pepper Moths".
 * Analysis**: