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प्रश्न
Answer the following question.
Sponge and sea star show calcareous protective material. Do they belong to the same Phylum?
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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
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Pinna is part of the external ear and it is found in mammals. Do aves and reptiles show external ear in any form?
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Lower Phyla like Arthropods and Cnidarians show metamorphosis. Is it also found in any class of Phylum Chordata?
Draw a neat labelled diagram.
Amphioxus
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.
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.
