MCQOPTIONS
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| 1. |
The animals of which federation are crummy-like and marine organisms whose organization is at the organ system level? |
| A. | Echinodrometa |
| B. | Hemicardata |
| C. | cardata osteichthyes |
| D. | cardata osteichthyes |
| Answer» C. cardata osteichthyes | |