Q: Why do sharks sense low levels of electricity?


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

Fish also have a centralized nervous system with a brain. Fish brains are small compared with the brains of other vertebrates, but they are large and complex compared with the brains of invertebrates. Fish also have highly developed sense organs that allow them to see, hear, feel, smell, and taste. Sharks and some other fish can even sense the very low levels of electricity emitted by other animals. This helps them locate prey.

 Choices:

- to locate mates

- to sleep

- to reproduce

- to locate prey


A:
to locate prey