List I | List II |
A. Bilaterally symmetrical, triploblastic acoelomate animal with flame cells | I. Limulus |
B. Bilaterally symmetrical animal with calcareous shell and mantle cavity | II. Pleurobrachia |
C. Radically symmetrical animal with ciliated comb plates and exclusively marine | III. Fasciola hepatica |
D. Bilaterally symmetrical, triploblastic, coelomate animals with a chitinous exoskeleton | IV. Dentalium |
List I | List II |
A. Coelomates | I. Aschelminthes |
B. Pseudocoelomates | II. Platyhelminthes |
C. Acoelomates | III. Annelids |
D. Diploblastic | IV. Coelenterates |
1. | Scoliodon | 2. | Hippocampus |
3. | Chelone | 4. | Pteropus |
1. Sponges | 2. Hydra |
3. Planaria | 4. Earthworm |
I: | This is seen in sponges, cnidarians, ctenophores and larval echinoderms. |
II: | This type of body symmetry is generally seen in animals which move actively in their environment. |
1. | Only I | 2. | Only II |
3. | Both I and II | 4. | Neither I nor II |