Multi-select: Knowing that "camouflage is used for hiding by animals from predators", how would one answer "A mouse is being hunted by a Great Horned Owl. The owl watches the mouse carefully, and the mouse is unaware that it is being hunted. The mouse is unable to tell where the owl is, because"

Choose from:
(i) the owl is invisible
(ii) the mouse is oblivious
(iii) the mouse is blind
(iv) the owl matches its background...A:
(iv)