Category Archives: OJE

The Investigation of the Ball Sponge Cinachyrella kuekenthali from Two Different Environments on Jamaica’s North Coast

Author: Winklet Gallimore ABSTRACT The purpose of this study was to examine specimens of the Jamaican Ball sponge Cinachyrella kuekenthali, collected from two proximal locations approximately 10 km apart on the North Coast of the island at comparable depths of … Continue reading

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A Theory of Ratio Selection—Lattice Model for Obligate Mutualism

Author(s): Kei-Ichi Tainaka1, Tsuyoshi Hashimoto ABSTRACT Mutualisms are cooperative interactions between members of different species. We focus on obligate mutualism, where each species cannot survive without the other. From a theoretical aspect, obligate mutualism is similar to the relationship between … Continue reading

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