Question
For semester exam preparation, consider this situation: a sea star moves and handles prey using hydraulic canals connected to many tube feet. The correct conclusion is:
Correct Answer: D
water vascular system
The water vascular system is a defining echinoderm feature. It operates tube feet for locomotion, feeding, attachment, and gas exchange in many species. This MCQ belongs to the Echinodermata topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.
The water vascular system is a defining echinoderm feature. It operates tube feet for locomotion, feeding, attachment, and gas exchange in many species. This MCQ belongs to the Echinodermata topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.
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