- 1(current)
Q. No.In metamerism, there is serial repetition of unit subdivisions of:
| I. | Ectoderm products |
| II. | Mesoderm products |
| III. | Endoderm products |
| 1. | Only II | 2. | Only I and II |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Basis of Classification |
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Parazoa is a taxon at the base of the phylogenetic tree of the animal kingdom and includes the most primitive forms, characterized by not having proper tissues. The phylum/phyla included in this taxon will be:
| I. Porifera | II. Cnidaria | III. Ctenophora |
| 1. | Only I | 2. | Only II and III |
| 3. | Only I and II | 4. | I, II and III |
Subtopic: Phylum Porifera | Basis of Classification |
81%
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