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 _____.
Amphibians start their lives as larvae in the _____, so they breathe using _____.
As adults amphibians live on _____, and breathe using _____.
Fish, amphibians, and reptiles are all _____, or cold-blooded.