Animal KingdomHard
Question
Which of the following phyla is correctly matched with its two general characteristics ?
Options
A.Chordata : Notochord at some stage and separate anal and urinary openings to the outside.
B.Echinodermata : Radial symmetry and mostly internal fertilization.
C.Mollusca : Body is covered by a calcareous shell and is unsegmented with distinct head, muscular foot and visceral hump.
D.Porifera : They are generally marine and mostly radially symmetrical animals.