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Question
............... have unsegmented body, exoskeleton and a spiny surface and tube feet.
............... have unsegmented body, exoskeleton and a spiny surface and tube feet.
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Solution
The correct option is B Echinoderms
Echinoderms have an unsegmented body, exoskeleton, and a spiny surface and tube feet (locomotory in function).Echinoderms are triploblastic and coelomate animals and have radial Symmetry. They possess a water vascular system, which hydraulically operates the tube feet or feeding tentacles. They also possess a subepidermal system of calcareous plates.
Echinoderms have an unsegmented body, exoskeleton, and a spiny surface and tube feet (locomotory in function).
Echinoderms are triploblastic and coelomate animals and have radial Symmetry. They possess a water vascular system, which hydraulically operates the tube feet or feeding tentacles. They also possess a subepidermal system of calcareous plates.
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