Multiple choice

Which of the following is a characteristic of Arthropods?

  1. The locomotory organs of Arthropods include parapodia and chaetae.

  2. A chitinous exoskeleton is present in them.

  3. The excretory organs are nephridia.

  4. They have a closed circulatory system.

  5. Their appendages are unjointed.
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B Correct answer
Explanation

This is the correct option.

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