Pssst all categories, including ones used by scientists, are made-up "constructs" defined by the intentions of the people categorizinghttps://twitter.com/gogreen18/status/883906090781384704 …
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Does laci have any particular qualification to be an educator beyond being a moderately attractive white woman with a social media presence?
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She got an education degree in undergrad
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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We call smaller gametes "sperm" and larger ones "ova" and picture motile sperm competing to fertilize sessile ova but that's not universal
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Plenty of examples where both types of gametes are motile and seek each other out, or both are non-motile and combined by other methods
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