One trait that is shared by the lophotrochozoa and ecdysozoa is.

They are bilaterally symmetrical body, triploblastic and protostome body.

Explanation:

Ecdysozoans consists of external covering made of chitin. The lophotrochozoans are animals that includes the annelids and molluscs. The lophotrochozoans is an ecological group that lives in freshwater, marine water and is one of the edible species. Ecdysozoans are marine organisms.

The bilateral symmertry, triphoblastic embryonic development, protostome characteristics are common features in these organisms.

These organisms may be coelomate or pseudocoelomate. These organisms have true tissues and organ system.

i believe the answer is a or 1

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