skin is usually a part of an organism & the colors of parts of an organism are inherited characteristics ->  the color of the skin of an organism is inherited characteristics  a tomato plant is a kind of plant & a plant is a kind of organism ->  a tomato is a kind of organism  the color of the skin of an organism is inherited characteristics & a tomato is a kind of organism ->  the color of the skin of a tomato is an inherited characteristics  the color of the skin of a tomato is an inherited characteristics & inherited characteristics can change over several generations -> the color of the skin of a tomato can change over several generations