Q.
Which of the following organisms possess a skeleton made of calcium bicarbonate?
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NTA AbhyasNTA Abhyas 2020Animal Kingdom
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Solution:
Corals have a skeleton made of calcium bicarbonate. They belong to the phylum Coelenterata or Cnidaria.
Physalia - Portuguese man-of-war
Adamsia - Sea anemone
Pennatula - Sea-pen
Meandrina - Brain coral