B is the answer?!? Sorry if im wront
The organism that was most likely to live at the same time as brachiopods were
Trilobites
Answer:
Closed Systems. The earth system as a whole is a closed system. ... Virtually no mass is exchanged between the Earth system and the rest of the universe (except for an occasional meteorite). However, energy in the form of solar radiation passes from the Sun, through the atmosphere to the surface.
Explanation: