Plural form of dioecism; multiple instances or examples of the dioecious reproductive condition in different plants or populations.
The regular English plural form of 'dioecism', formed by adding '-s' to refer to multiple separate instances of the dioecious condition.
When botanists study the evolution of dioecisms across plant families, they notice the condition repeatedly evolved independently in different plant lineages—a phenomenon called convergent evolution—suggesting it provides specific environmental advantages in certain ecological niches.
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