How do different amphibians breathe? How do amphibians ventilate their lungs? Fish have these instead of lungs. What are some examples of bony fish? How are fish gills adapted for gas exchange? Are hagfish bony or cartilaginous fish?
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How do cartilaginous fish reproduce? How many species have mycorrhiza? How do cartilaginous fish eat? Do cartilaginous fish have gills? What kind of fertilization do cartilaginous fish conduct? How do cartilaginous fish breathe? How does cartilaginous fish breathe? How many body sections do members ...