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Biology
The endoskeleton of animals of Echinodermata consists of-

Q. The endoskeleton of animals of Echinodermata consists of-

1544 254 Animal Kingdom Report Error

A

Silica

B

$C a C O_{3}$

C

Protein

D

Spongin

Solution:

Correct answer is (b) $C a C O_{3}$

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