Multiple choice Which of the following phylums are classified on the basis of locomotory organs? Protozoa and Annelida Protozoa and Porifera Porifera and Coelentrata Annelida and Coelentrata Annelida and Porifera Reveal answer Fill a bubble to check yourself A Correct answer Explanation Basis of classification of Phylum Protozoa and Annelida are locomotary organs.