1 / 9

DDT in a Food Chain

DDT in a Food Chain. Science 10 Ms. Lowrie. DDT Facts. a.k.a. dichloro-diphenyl-trichloroethane! Example of pesticide Insecticide Made in 1874 First used during World War 2 (1940s). Let’s Read About It!. The DDT Story page 31. Biological Magnification. Poison accumulates in body

nissim-norris
Télécharger la présentation

DDT in a Food Chain

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. DDT in a Food Chain Science 10 Ms. Lowrie

  2. DDT Facts • a.k.a. dichloro-diphenyl-trichloroethane! • Example of pesticide • Insecticide • Made in 1874 • First used during World War 2 (1940s)

  3. Let’s Read About It! • The DDT Story • page 31

  4. Biological Magnification • Poison accumulates in body • Organisms in higher trophic levels contain MORE DDT than organisms in lower levels

  5. DDT

  6. Task: Answer the following: • List three positive effects that DDT gave human populations. • List three negative effects that DDT had on the environment. • How did DDT affect birds of prey?

  7. Task: Answer the following: • #1 – 6 on page 32

  8. Any Questions?

More Related