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Tardigrade
Question
Biology
The endoskeleton of animals of Echinodermata consists of-
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Q. The endoskeleton of animals of Echinodermata consists of-
Animal Kingdom
A
Silica
0%
B
$CaCO_3$
100%
C
Protein
0%
D
Spongin
0%
Solution:
Correct answer is (b) $CaCO_3$