Select the correct matching of a phylum and its general characters.

Chordates are characterised by the presence of a dorsal, single and hollow nerve cord. Their heart is ventral to the gut. In nonchordates, if present, the nerve cord is ventral, and the heart is dorsal. Proboscis gland is characteristic of hemichordates. A chitinous cuticle is present in arthropods. Comb plates are present in ctenophores.