A) proterostomia
B) deuterostomia
C) blastostomia
D) diastomia
E) None of these
Correct Answer: B
Solution :
The assemblage of coelomate animals in which the embryonic blastopore becomes the anus of the adult are known as deuterostomia. The animal kingdom in which cleavage of the egg, is of determinate type, includes all bilateral phyla except Echinodermata, Chaetognatha, Progonophora, Hemichordata and Chordata is called proterostomia.
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