A sponge differs with other metazoa in having: Phylum Porifera Mcqs February 14, 2019 BILAL KHATTAK0 A.Several mouthlets and one opening B.Nerve cells C.Absence of blood D.None of these Related Mcqs: Nervous system of Hydra is made up of: Which of the following groups of characters are confined exclusively to Chordates: Cleavage differs from mitosis in that: On wound __________ fight foreign particles, like bacteria?? Incurrent canals in syconoid sponge are: Hydra possesses: What is left after a bath sponge disintigrates and dries are: People living in high altitudes (like mountains) usually have a _________?? Synapse is a gap between adjacent: Open circulatory system can contain_________??