Patterns of Color Polymorphism in the Intertidal Snail Littorina sitkana in the Race Rocks Marine Protected Area,

AN EXTENDED ESSAY PREPARED FOR THE INTERNATIONAL BACCALAUREATE February 1999Name: Rosso, Giovanni Edoardo Best language: Italian School: Lester B. Pearson College of the Pacific Subject: Environmental Systems Supervisor: Mr. Garry Fletcher Table of contents: Abstract ————————————————————— 3 Introduction ———————————————————– 4 Materials and methods ———————————————— 5 Data analysis ———————————————————- 7 Conclusion ———————————————————– 12 Observations ——————————————————— 13