Afibrous joint in which there is a greater distance between the articulating surfaces and more dense irregular connective tissue than in a suture is called a

What’s the

The answer is a if u read the definition it makes sense

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.