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When amphibians are babies, they use __________ to breathe.
Gills
When amphibians are adults, they breathe through their lungs or through their __________.
Skin
Amphibians use their sticky __________ to eat.
Tongue
Amphibians are oviparous and they lay their eggs __________.
Underwater
Amphibians undergo a process of __________.
Metamorphosis
Reptiles have thick and __________ skin and their bodies are completely covered in scales.
Dry
Most reptiles have __________ lungs except for snakes.
Two
