As a part of adaptation for the means of survival. It is basically camouflage. From the bottom it is difficult to see because it blends in with the light penetrated water above and from the top it blends in with the dark water below. Excellent for hunting and avoiding being hunted.
Usually great white sharks are white and gray and blue-gray.
No, they are gray. They are white on the bottom, though.
The type of mouse cannot be determined by just knowing it's gray and brown colored with a white underside. Coloring and genetics are both used with mice to identify it's genus.
great white sharks,tiger sharks,bull sharks,gray reef sharks, blacktips and whitetips.
gray/blue on top white on bottom
They are a light brown with a white underside and tail.
Humans and larger sharks will eat gray reef sharks.
They're more Grey than anything else!
They generally range from brown to gray to black. Their underside is often white.
Inductive reasoning
Inductive logic
grey sharks