Which of following system is segmentally arranged in annelids?
Correct answer: C. Criculatory system
- A. Excretory system
- B. Digestive system
- C. Criculatory system
- D. Nervous system
Explanation
Annelid segmentation is reflected in the arrangement of their circulatory vessels and repeated connecting vessels across body segments. Students may choose the digestive system, but the alimentary canal is mainly a continuous tube rather than a series of repeated segments.
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