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प्रश्न
Answer the following question.
Sponge and sea star show calcareous protective material. Do they belong to the same Phylum?
उत्तर
No, they do not belong to same phylum. Sponges belong to phylum Porifera and sea star belongs to phylum Echinodermata.
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संबंधित प्रश्न
Answer the following question.
Fish and frog can respire in water. Can they respire through their skin? If yes, why do they have gills?
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Answer the following question.
Lower Phyla like Arthropods and Cnidarians show metamorphosis. Is it also found in any class of Phylum Chordata?
Draw a neat labelled diagram.
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Match the following.
| Phylum | Characters |
| i. Annelida | a. Tube feet |
| ii. Mollusca | b. Ostia |
| iii. Ctenophora | c. Radula |
| iv. Porifera | d. Parapodia |
| v. Echinodermata | e. Comb plates |
Identify the animal given in the picture and write features of its phylum/class.
Identify the animal given in the picture and write features of its phylum/class.
Identify the animal given in the picture and write features of its phylum/class.
