Your job is to classify a newly discovered animal species. Your initial studies reveal that your specimen has tissues, organs, and a coelom; has no head or segmentation; and has radial symmetry. To what phylum does this animal belong?

Question

Quizplus · Accepted Answer

The characteristics described (tissues, organs, a coelom, no head or segmentation, and radial symmetry) match those of the Echinodermata phylum, which includes starfish and sea urchins.

Your Job Is to Classify a Newly Discovered Animal Species