3) Explain the difference between how Sedimentary rocks that form from 1 compaction look versus when they form from cementation.

Ilike to eat pears ya nah wha im sayin b? shout out to all my pears b.

Although i don't know what is the simulated system, starfish are predators that eat mostly  microalgae,  snails, sponges, bivalves, mussels and other small marine animals. removing starfish from any system would definitely increase this animals that they prey.