This is an example of mimicry. The flies probably have this coloring to protect themselves from potential predators.
Some flies have the coloration and similar shape of bees and wasps. The reason for this is to trick predators into thinking that they are bees or wasps that are not part of their normal prey.
One adaptation of the yellow bittern would be it's feather color. The body of a yellow bittern is a dull yellow with a chestnut colored head. These help it surround in with it's environment acting as camouflage.
Yellow is not a special characteristic of a neutral silution.
feathers and wings
urine is normally yellow.
Traces of nitrogen held within the network of carbon atoms gives a diamond its yellow characteristic.
Not normally, no. Only when your dog pees on it!
happy or exited
It is white. Snow is made from water. Dont eat yellow snow.
Yellow is a color that attracts bees the most. So the color is one adaptation. The tepals form a great landing pad for the bees to land on and then crawl into the center of the flower. The center of an iris is darker. It is like a bulls eye for the bee to follow to the pollen.
Through genetics. The yellow skin is coded for in the DNA that outlines the tomatoe's genetic information, and that is passed down.
Yellow, normally known as 'BERSIH' in malaysia.