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5 terms

Biology chapter 30-2&3

STUDY
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List the 3 classes of fish and some examples of each.
Agnatha: lampreys & hagfish. Ostelchthyes: bonyfish. Chondrichthyes: sharks & rays.
All fish have _____ fins and breathe using _____.
Paired; gills
Amphibians start their lives as larvae in the _____, so they breathe using _____.
Water; gills
As adults amphibians live on _____, and breathe using _____.
Land; lungs
Fish, amphibians, and reptiles are all _____, or cold-blooded.
Ectothermic