Answer:
They are in danger from coming extinct because of the global threats, like natural disasters, boat groundings, and dragging anchors can ruin the reef and no coral can kill fish by ruing there homes and food.
Step-by-step explanation:
Soory i can't write 150 words! But there is 34 from that aricle-
file:///media/fuse/drivefs-4951fbaabd163a978e4e71c64a871b18/root/975e265eb6f925726dd7a19b85c79d4f.pdf