Structures of Life Next Generation
Organism
Investigation and Part
Amount Needed
Delta Part # (Live Organism Coupon (LOC))
When to Order
Notes
Crayfish
Inv. 3
12
270-4184
Week 1 of instruction
LOC includes 12 crayfish and 12 water plants
Water (Aquatic) Plants
Inv. 3
12
270-4184
Week 1 of instruction
Crayfish will eat the water plants. Extra will be needed.
Madagascar Hissing Cockroach
Inv. 3 (Alternate), Parts 1-4
8 (4 male, 4 female)
202-6751
Week 1 of instruction
If you cannot obtain crayfish to use in Investigation 3, teach the alternative Investigation 3 "Meet the Hissing Cockroach" and obtain Madagascar hissing cockroaches instead. This alternative investigation can be found in the Resources by Investigation section for Structures of Life listed under Investigation 3. The LOC from Delta Education provides 8 cockroaches.