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07/08/2021 7:56 pm
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Which one of the following phyla is correctly matched with its two general characteristics?
(1) Echinodermata - Pentamerous radial symmetry and mostly internal fertilization
(2) Arthropoda - Body divided into head, thorax and abdomen and respiration by tracheae
(3) Mollusca - Normally oviparous and development through a trochophore or veliger larva
(4) Chordata - Notochord at some stage and separate anal and urinary openings to the outside
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07/08/2021 7:56 pm
(3) Mollusca - Normally oviparous and development through a trochophore or veliger larva