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Q.
Which of the following phylum belongs to Deuterostomia ?
BHUBHU 2001
Solution:
Deuterostomes are animals in which blastopore develops into anus e.g., Echinodermata and Chordata. Animals lowers than Echinodermata are protostomats in which blastopore (opening of archentron) develops into mouth e.g., Annelida, Arthropoda.