Why would scientist want to store dna for a long period of time?

Because just in case they may or may not need it to help them achieve something I think??

ability to mate mark me brainliest

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]