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asdasdASDasZ asdasdASDasZ
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4 years ago
Which of the following lineages of Cnidarians have both polyp and medusa stages in their life cycles-with the polyp stage typically forming a colony-and includes species of Obelia?


Anthozoa


Trematoda


Hydrozoa


Cubozoa
Textbook 
Biology: Exploring the Diversity of Life

Biology: Exploring the Diversity of Life


Edition: 4th
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stereoheartsstereohearts
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4 years ago
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