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