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प्रश्न
Answer the following question.
Reptiles are known for having three-chambered heart. Which animal shows a near four-chambered condition in reptiles?
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उत्तर
Crocodiles have a four chambered heart.
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संबंधित प्रश्न
Answer the following question.
Sponge and sea star show calcareous protective material. Do they belong to the same Phylum?
Answer the following question.
Fish and snake both have scales. How do these scales differ from each other?
Draw a neat labelled diagram.
Aurelia
Draw a neat labelled diagram.
Amphioxus
Draw a neat labelled diagram.
Catla
Draw a neat labelled diagram.
Balanoglossus
Draw a neat labelled diagram.
Scolidon
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.
