Frogs-bit

can someone explain on reinforcement of prezygotic isolation related to mating calls in male frogs?

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Frogs and other amphibians are being wiped out at such a rapid rate across Asia that many are going extinct before scientists even have a chance to identify them as new species, biologists warned at an international conservation ...

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"Sinking" only applies if frogs were upright bipeds. There may be a slight prevention of mixing, due to the offset entrances, but it's not that critical. Also, most frogs don't get oxygen just from their lungs...

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... into two compartments like a humans heart, but it is separated enough for the blood not to get mixed. This is done by the arrangement of the frogs heart, where the right atrium dips downward into the ventricle. Which causes oxygen-poor blood that is entering the right atrium to pass all the ...

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... does not imply that you are an idiot with delusion of being smart. Neither would be the suggestion that we study the brains of formalin preserved frogs. I would need a completely different set of facts to prove that.

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