Discussion:
DDT's Effect on the Food Web
1. You need to make predictions on how each part of the food web would be affected by the spraying of DDT. These are to be predictions. It is highly doubtful you will get all of the predictions correct without doing research. Please make sure to address all parts of the food web pictured.
General Information:
In the 1950's, the island country Borneo had a severe problem with malaria, which is carried by mosquitoes. The World HealthOrganization (WHO) decided to spray a pesticide called DDT to rid the island of mosquitoes. The accompanying diagram (click the other link titled Food Web and DDT) shows a simplified food web of the ecosystem including the organisms affected by the DDT.
Additional facts:
DDT causes nerve damage, slow reflexes, and eventual death in human and other animals.
When an animal consumes another animal that has consumed DDT, the consumer is also affected by the DDT.
DDT kills mosquitoes; it also affects cockroaches but does not kill them.
Once you have made your predictions, researched the actual events that took place involving the spraying of DDT on the island of Borneo. For each part of the food web, look at your submitted predictions and discuss if you were correct or incorrect.
Second, research and propose two "greener" solutions to the original problem of mosquitoes. A link has been provided in this folder to use to begin the assignment, but it should not be your only resource. Be sure you explain the solution completely, and discuss whether it will have any affect on the other parts of the given food web.
Attachment:- Image.rar