The coral reefs are the foundation of an expansive ecosystem that hosts an interdependent association of vertebrates (monk seals, reef and bottom fish, turtles, birds, sharks), invertebrates (corals, anemones, jellyfishes, mollusks, shrimps, crabs, lobsters, sea urchins, sea stars, sea cucumbers), sea grasses, and algae.
(The coral reefs; are; the foundation of an expansive ecosystem) (an expansive ecosystem; hosts; an interdependent association of vertebrates)
The coral reefs an expansive ecosystem
are hosts
the foundation of an expansive ecosystem
an interdependent association of vertebrates