1nocturnal animals sleep during the day and are awake at night. 2 they have special characteristics that them get around in the dark. 3 i have been afraid of the dark since i was four years old. 4 most nocturnal animals have special eyes that reflect the light to them see. 5 some nocturnal animals, like bats, use echolocation. 6 other nocturnal animals, like rabbits, have good hearing. which sentence is unrelated to the paragraph? a) sentence 2 b) sentence 3 c) sentence 4 d) sentence 5