Characteristics of Vertebrates
__1. AdaptationA. Have gills first, then lungs
__2. AmphibiansB. Give live birth to their young
__3. Amphibians- birthC. Lay eggs on land
__4. Birds- birthD. Bury their eggs on land
__5. Birds and MammalsE. Lay eggs in water
__6. EvolutionF. Survived the ice age because they were able to stay warm
__7. Mammals- birthG. The process where animals have become more complex over time
__8. MutationH. A change which helps a species to survive
__9. ReptilesI. Have scaley skin to absorb heat
__10. Reptiles- birthJ. A change that happens in an individual animal
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