Animal KingdomEasy
Question
Which one of following phyla is correctly matched with two general characteristics?
Options
A.Echinodermata - Pentamerous radial symmetry and mostly internal fertilisation
B.Mollusca - Normally oviparous and development through trochophore or veliger larva
C.Arthropoda - Body divided into head, thorax and abdomen and respiration by tracheae
D.Chordata - Notochord at some stage and separate anal and urinary opening to the outside
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