Description
Activity 1: Bioaccumulation
Materials:
• Random number sheet 0-33
• Worksheet below
Procedure:
1. There are 100 algae in the pond, each circle below represents one phytoplankton. Mark the amount of toxin each phytoplankton by adding a random number from 0-3 and placing it onto the phytoplankton (circle). Repeat this for all 100 algae. The random numbers selected represents the amount of DDT (in ppm) the algae absorbed from pesticide runoff from a nearby agricultural area.
Agriculture Assignment
1. What is one advantage and one disadvantage of a monoculture?
2. What is one advantage and one disadvantage of a polyculture?
3. What does bioaccumulation mean?
4. What are some factors that limit how much food can be grown in an area?
5. What are some advantages and disadvantages of growing at least some of one’s own food at home?
6. Do you think indoor farming is a good idea? Why or why not?
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