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Products
WARD’S Birds and Worms: Modeling Natural Selection Lab Activity |
An Engaging Activity that Can be Performed Either Indoors or Outdoors |
Get students away from their desks with this simple demonstration of the relationship between adaptations and natural selection. Students will discover predator-prey relationships, the benefits of camouflage in larger populations, and how gene frequencies are affected by these things as they simulate birds consuming worms with various phenotypes. The activity contains enough materials for eight setups, a teacher’s guide, and student copymaster.
Materials Included
•100 White toothpicks
•100 Green toothpicks
•100 Orange toothpicks
•100 Blue toothpicks
•100 Yellow toothpicks
•2 Rolls, string
•16 Plastic bags
•1 Stopwatch
•1 Tape measure
Materials Needed But Not Provided
•Calculators
•Clipboards
Time Requirement
•Day 1: 45 minutes
•Day 2: 45 minutes
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