Given below are the pairs of animals and phylum which they belong to. Which out of these is not a matching pair and why?



Bombyx - Arthropoda



Loligo - Mollusca



Asterias - Mollusca



Saccoglossus - Hemichordata


Asked by Topperlearning User | 31st May, 2016, 06:29: AM

Expert Answer:




The pair Asterias - Mollusca is not matching.



Asteria, i.e. star fish, shows the presence of a water vascular system, the adult is radially symmetrical and larvae are bilaterally symmetrical. Hence, Asterias is an echinoderm.


Answered by  | 31st May, 2016, 08:29: AM