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प्रश्न
Fill in the blank.
Cnidarians have ................ symmetrical body.
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उत्तर
Cnidarians have radially symmetrical body.
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संबंधित प्रश्न
Tick (✓) the appropriate answer:
Identify the animal which is not an Arthropoda
Write one difference between the following pair:
Arthropoda and Mollusca
Fill in the blank.
................. is an example of a crustacean.
State if the following statement is true or false. Correct the statement if it is false.
Insects belong to the amphibian group of animals.
Write a short answer.
What do you mean by the radially symmetrical body?
Answer in detail.
Write two characteristics of the reptiles.
Given below are groups of animals, and their characteristics features. Some of the features are incorrect. Identify the odd one out in each.
| Group | Characteristic features | Odd one out |
| Porifera | porous animals, have tentacles, fixed to surface | |
| Amphibia | cold-blooded, lungs in adults, scaly skin | |
| Aves | cold-blooded, wings, feathers, bones with large air spaces | |
| Pisces | live in water, scaly skin warm-blooded, fins for swimming |
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On the basis of characteristics given below, name the phyla: Soft bodies, muscular foot, calcareous shell and presence of mantle.
Mammals have four-chambered Hearts.
