How does paragraph 3 contribute to the development of ideas in the text?

It emphasizes how many different types of organisms can be turned into zombies by parasites.

It reveals how parasites take control of organisms' minds and turn them into their personal zombies.

It shows how real-life zombies differ from the zombies we are used to seeing on television.

It reveals why scientists are interested in studying organisms that can be turned into zombies by parasites.