Q: What do anglerfish use their glow-in-the-dark, rod-like structure for?


Read this paragraph and choose the correct option from the provided answers:

Anglerfish. This anglerfish lives between 1000 and 4000 meters below sea level. No sunlight penetrates to this depth. The rod-like structure on its face has a glow-in-the-dark tip. It is covered with microorganisms that give off their own light. The fish wiggles the structure like a worm to attract prey. In the darkness, only the rod-like worm is visible.

 Choices:

- to find a mate

- for protection

- to keep warm

- to attract prey


A:
to attract prey