What are the differences between fish and reptiles?

fish have a notochord, and reptiles have a full spine
in fish, the respiratory organs of the gills, and in reptiles, the lungs
fish have a two-chambered heart, and reptiles have a three-chambered heart
in fish, fertilization can be both internal and external, and in reptiles only external
fish live in the aquatic environment, and reptiles live on land
fish have one circle of blood circulation, and reptiles have two



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