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Variation In The Maternal Provisioning Of Alkaloids In The Strawberry Poison Frog Oophaga Pumilio: The Relationship Between Mothers And Their Tadpole Offspring, Olivia L. Brooks
Variation In The Maternal Provisioning Of Alkaloids In The Strawberry Poison Frog Oophaga Pumilio: The Relationship Between Mothers And Their Tadpole Offspring, Olivia L. Brooks
Masters Theses
Within and among populations, alkaloid defenses of strawberry poison frogs (Oophaga pumilio) vary spatially, temporally, and with life history stage. Natural variation in defense has been implicated as a critical factor in determining the level of protection afforded to an individual from predators and pathogens. Oophaga pumilio tadpoles sequester defenses from nutritive eggs and are thus entirely dependent on their mothers for their alkaloids. However, it remains unclear how the alkaloid composition of a tadpole relates to that of its mother and if maternally provisioned defenses are effective against predators. Here, I demonstrate that natural variation in the alkaloid composition …