10. Use the theory of evolution to explain the observation that there are no tuskless males in the park. WHY do males retain their tusks, when 50% of females lost them.
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Tusks are essentially overgrown teeth. Yet they’re typically used for most task of daily living; digging for water or vital minerals in the ground, debating trees to secure fibrous food, and helping males compete for females

The awnser is b i believe