Here's why:
* It's an animal: White tigers are a color variation of the Bengal tiger, which is a mammal.
* It exhibits the characteristics of life: It breathes, grows, reproduces, and responds to its environment.
* It's made up of cells: Like all living things, white tigers are composed of cells that work together to carry out life functions.
While the "white" part refers to its unusual color, it doesn't change the fact that it's a living creature.