On the basis of origin of mouth, animals have been categorized into prostomia and metazoa deuterostomia and protozoa prostomia and duterostomia protozoa and metazoa

Asked by Amithjose | 3rd Nov, 2012, 02:25: PM

Expert Answer:

On the basis of origin of mouth, animals have been categorized into:
  • Protostomia (mouth arising from or near the blastopore of gastrula) and
  • Deuterostomia (mouth arising anteriorly at some distance from the blastopore)

Answered by  | 4th Nov, 2012, 11:18: PM

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