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