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