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Class Reptilia:...

Class Reptilia:

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(i) The body is covered by exoskeleton of horny epidermal scales.
(ii) The respiration is by lungs.
(iii) The heart is three chambered, except crocodile, which has four chambers.
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FULL MARKS-ANIMAL KINGDOM -ADDITIONAL QUESTIONS (III. WRITE ANY THREE COMMON CHARACTERISTIC FEATURE OF THE FOLLOWING PHYLA OF INVERTEBRATES AND CLASSES OF VERTEBRATES)
  1. Protozoa:

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  2. Platyhelminthes:

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  3. Mollusca:

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  4. Class Reptilia:

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  5. Class Mammalia:

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