Matching Pairs Animal classificationOnline version Classify these sentences acording to vertebrates or invertebrates by Juan Antonio Vera 1 They haven’t got internal skeleton or spinal cord 2 They can be classified in mammals, reptiles, fishes, birds and amphibians 3 They have got an internal skeleton 4 They own spinal cord and a developed nervous system 5 They represent the 98% of animals on Earth Invertebrates Vertebrates Vertebrates Invertebrates Vertebrates