Which question about whale sharks is nonscientific?

Is parrot fish secondary primary or tertiary consumers? Three ways fish are alike? What type of shark eats a catfish? What type of shell does a hermit crab have? Can trout and koi exist together? What type of echolocation does hammer head sharks use? Do horseshoe crabs make a noise? Is a pregnant goldfish called pregnant goldfish? What does it mean if you dream about sharks surrounding you but not attacking? What is the difference male and female yellow tang? Where does veruca salt live? Have sharks lived longer than dinosauars? In what ways are teeth useful? What is the function of the ventral fin of a fish? Is watercress a vegetable or fruit? Whats the difference between sharks and dolphins? Is a female guppy sick if she is housed with a male guppy and isn't swimming fast unless she's eating and is continually opening and closing her mouth? What type of water guppies swim in? How do sea horse protect themselves? What is Flower Lotus in Bengali?