At first sight, sharks and rays appear to determine sex much like mammals do, but they’ve found a different way, and been doing it for hundreds of millions of years.
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By SDTodayAt first sight, sharks and rays appear to determine sex much like mammals do, but they’ve found a different way, and been doing it for hundreds of millions of years.
East Africa may look very different in five to ten million years.
BySDTodayThat would be the dream.
BySDTodayThe answer is right under your nose. Obviously.
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