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This Concept Map, created with IHMC CmapTools, has information related to: Amphibians, Tadpoles have 2-Chambered Heart, Metamorphosis between Life Stages, Tadpoles live in Water, Eggs are fertilized in Water, Tadpoles have Gills, Tadpoles have Swimming tail, Adaptations for Terrestial Life like Lungs, Amphibians include Anura (Frogs), Adaptations for Terrestial Life like 3-Chambered Heart, Reproduce mostly laying Eggs, Eggs always in Water, Adaptations for Terrestial Life like Keratinized skin, Eggs hatch into Tadpoles, Amphibians do Reproduce, Reproduce always Sexually, Amphibians include Urodela (Salamanders), Adaptations for Terrestial Life like Legs, Amphibians have Life Stages, Amphibians have Adaptations for Terrestial Life, Tadpoles undergo Metamorphosis