Morphological, Behavioral and Reproductive Inducible Defenses in Two Species of Intertidal Gastropods

...........................................................................................iv Acknowledgements...............................................................................viii List of Figures....................................................................................x List of Tables.....................................................................................xiv Chapter 1: The Significance of Marine Molluscs in the Field of Inducible Defenses..............................................................................1 Chapter 2: Inducible Defenses in Shell Morphology and Foraging Behavior in a Littorine Snail Introduction........................................................................................3 Methods.............................................................................................7 Results..............................................................................................14 Discussion..........................................................................................22 Chapter 3: Predator and Conspecifics Alter the Time and Rate at Which Marine Snails Deposit Embryo Capsules Introduction........................................................................................27 Methods.............................................................................................33 Results..............................................................................................44 Discussion..........................................................................................65 Chapter 4: Conclusion..........................................................................69 Literature Cited....................................................................................71