Multiple choice

Which of the following features regarding arthropods is incorrect?

  1. Largest group of animals

  2. Blood-filled coelomic cavity

  3. Jointed legs

  4. Closed circulatory system

  5. NA

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It is incorrect as they have open circulatory system and therefore, blood does not flow in well-defined blood vessels.