What allows some species of fish to change their sex during their lifetime?

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Does this affect how they behave in general? 

In: Biology

Anonymous 0 Comments

It’s cause their schools are woke.

Some are set up to be male or female depending on the genes being expressed, and the gene being expressed can be changed based on a variety of factors, like social structure (not enough clownfish females around will make a male turn into a female). It’s also not that big a change. It’s not like the factory needs to be overhauled, like a live-birth animal would require. Just retool the product line for sperm not eggs, the result is it getting ejected into the ocean anyways.