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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