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Which of the following has only the polyp stage in their life cycle?

Which of the following has only the polyp stage in their life cycle?

مندرجہ ذیل میں سے کس کے پاس ان کی زندگی کے چکر میں صرف پولپ اسٹیج ہے؟
Explanation
  • Anthozoa (e.g., corals and sea anemones) exist only in the polyp stage.
  • Other cnidarians, like Hydrozoa and Scyphozoa, have both polyp and medusa stages in their life cycle.