Item 13 Read the excerpt from “Choose a Sunscreen Right for Reefs.”

The polyps die, and animals such as parrot fish, which feed on the polyps, have nothing to eat. So they die, as well. Then those fish that eat parrot fish are robbed of their food, too. And once the food chain is broken in this way, it can spell disaster for the reef as a whole.

Drag the most likely meaning of disaster into the box.

Definition