Question

Which organism was most likely to live at the same time as brachiopods?

trilobites
placoderms
ammonites
gastropods

Answer 1

Trilobites

Step-by-step explanation:

Both appeared on the same rock layer

verified***

Answer 2

The organism that was most likely to live at the same time as brachiopods were
Trilobites

Brachiopods were like lamshells. They lived underwater, had soft bodies and their shells were bivalves.
Trilobites had three-lobed bodies. They could swim, crawl, and burrow.