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| Tatsuya Togashi |
Professor, Marine Biosystems Research Center,
Chiba University |
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| Evolutionary mechanisms of sexual dimorphisms and environmental conditions of habitats |
Beginning with Darwin, biologists have struggled with one of the key unsolved mysteries in evolutionary
biology: why are male and female gametes of vastly different size in nearly all plants and animals.
This phenomenon, called ganisogamyh, underlies the evolutionary processes of sex ratio and sex differences
in behavior and morphology through sexual selection. I focus on living marine green algae to test hypotheses
in theoretical approaches, developing a three-dimensional mathematical model of gamete behavior based
on experimental data, to elucidate the relationship between potential advantages of gamete behavior and
environmental conditions.
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