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In which of the following haemocyanin pigment is found:
1. Annelida
2. Echinodermata
3. Insecta
4. Lower Chordata
Other Reason
In contrast to Annelids, Platyhelminths show:
1. Absence of body cavity
2. Presence of pseudocoelom
3. Radial symmetry
4. Bilateral symmetry
Other Reason
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