Select the correct combination.
Porifera – canal system and parapodia
Arthropoda – chitinous exoskeleton and radula
Chordata – ventral nerve cord and post-anal tail
Ctenophora – bioluminescence and comb plates
Porifera – canal system.; Annelida - parapodia
Arthropoda – chitinous exoskeleton; Mollusca - radula
Chordata – dorsal nerve cord and post-anal tail