Some salient features and phyla of organisms are given below. Select the option which shows correct combination of organism, its phylum and salient features.

Step-by-step solution

Hydra shows radial symmetry, Ancylostoma is an aschelminth. Octopus shows bilateral symmetry and also lacks an external skeleton of shell. (b): Hydra shows radial symmetry, Ancylostoma is an aschelminth. Octopus shows bilateral symmetry and also lacks an external skeleton of shell.