The common name of the group to which this o-rganism belongs:
D)C-nidarians
The organism shown is a free-living one that is a-nchored to the b-ottom of ponds and streams during the first part of its life cycle is C-nidarians.- C-nidaria, also known as c-nidarians, are members of the c-nidarian tribe, a group of more than 9,000 s-pecies of c-reatures.
- C-nidaria are mainly m-arine a-nimals such as c-oral, h-ydra, j-elly-fish.
Thus, the correct answer is D.
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