Class 11 Biology Animal Kingdom Phylum-Echinodermata

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Which organ system is lacking in the animals that bear a water vascular system?

A
Nervous system
B
Excretory system
C
Circulatory system
D
Sensory system

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Class 11 Questions

Class 11

Biology Questions

Chapter

Animal Kingdom

Subtopic

Phylum-Echinodermata

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In which animal is the water vascular system found?

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