Tag Archives: fish egg

Whaaaat……eggs breathe? How amphibian and fish eggs exchange gases

Yes, embryos inside eggs need to breathe!  This is going to be a big two-parter and we will explore how egg-laying amniotes (reptiles, birds and monotremes) eggs breathe in part two.  First, let’s discover how amphibian (frogs and salamanders) and … Continue reading

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