DDT in a Food Chain
9
DDT in a Food Chain Science 10 Ms. Lowrie
-
Upload
nissim-norris -
Category
Documents
-
view
37 -
download
8
description
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 - PowerPoint PPT Presentation
Transcript of DDT in a Food Chain
![Page 1: DDT in a Food Chain](https://reader036.fdocuments.in/reader036/viewer/2022062516/56812bd6550346895d904052/html5/thumbnails/1.jpg)
DDT in a Food Chain
Science 10Ms. Lowrie
![Page 2: DDT in a Food Chain](https://reader036.fdocuments.in/reader036/viewer/2022062516/56812bd6550346895d904052/html5/thumbnails/2.jpg)
DDT Facts
a.k.a. dichloro-diphenyl-trichloroethane!
Example of pesticide Insecticide
Made in 1874
First used during World War 2 (1940s)
![Page 3: DDT in a Food Chain](https://reader036.fdocuments.in/reader036/viewer/2022062516/56812bd6550346895d904052/html5/thumbnails/3.jpg)
Let’s Read About It!
The DDT Story page 31
![Page 4: DDT in a Food Chain](https://reader036.fdocuments.in/reader036/viewer/2022062516/56812bd6550346895d904052/html5/thumbnails/4.jpg)
Biological Magnification
Poison accumulates in body
Organisms in higher trophic levels contain MORE DDT than organisms in lower levels
![Page 5: DDT in a Food Chain](https://reader036.fdocuments.in/reader036/viewer/2022062516/56812bd6550346895d904052/html5/thumbnails/5.jpg)
![Page 6: DDT in a Food Chain](https://reader036.fdocuments.in/reader036/viewer/2022062516/56812bd6550346895d904052/html5/thumbnails/6.jpg)
DDT
![Page 7: DDT in a Food Chain](https://reader036.fdocuments.in/reader036/viewer/2022062516/56812bd6550346895d904052/html5/thumbnails/7.jpg)
Task:
Answer the following:
A. List three positive effects that DDT gave human populations.
B. List three negative effects that DDT had on the environment.
C. How did DDT affect birds of prey?
![Page 8: DDT in a Food Chain](https://reader036.fdocuments.in/reader036/viewer/2022062516/56812bd6550346895d904052/html5/thumbnails/8.jpg)
Task:
Answer the following:
#1 – 6 on page 32
![Page 9: DDT in a Food Chain](https://reader036.fdocuments.in/reader036/viewer/2022062516/56812bd6550346895d904052/html5/thumbnails/9.jpg)
Any Questions?