Why is Curiosity Looking For Organics?
– “For You To Enjoy And Share With Friends” –
Organics are necessary for life to exist. Finding organics would mean that the right components were available for life to have existed not that it did exist.
One of the reasons why Gale Crater was chosen as a landing site was because it had contained water in the past and organics could have filtered down into the differing lower layers of the old water bed.