Friend or foe

Exercise and reference answers

Upper category

Friend

Lower category

Foe

Items

1. Category

   Friend

   Item

   Curd

2. Category

   Friend

   Item

   Yeast

3. Category

   Friend

   Item

   Antibiotic

4. Category

   Friend

   Item

   Rhizobium

5. Category

   Foe

   Item

   Pathogen

6. Category

   Foe

   Item

   Plasmodium

7. Category

   Foe

   Item

   Anthrax

8. Category

   Foe

   Item

   Food toxin

Instructions

Send each microbe or product to the friend track or the foe track.

Explanation