DENDROLOGY

Detailed explanation-1: -photo-a combining form meaning “light” (photobiology); also used to represent “photographic” or “photograph” in the formation of compound words: photocopy. Also especially before a vowel, phot-.

Detailed explanation-2: -The word Photography literally means ‘drawing with light’, which derives from the Greek photo, meaning light and graph, meaning to draw.

Detailed explanation-3: -Color photography is photography that uses media capable of capturing and reproducing colors. By contrast, black-and-white or gray-monochrome photography records only a single channel of luminance (brightness) and uses media capable only of showing shades of gray.

Detailed explanation-4: -Definitions of photo. a representation of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material. synonyms: exposure, photograph, pic, picture.