Because as trials go on scientists discover more information and alter the theories and that is why they are referred to as a "theory" instead of a scientific "law"
CCGTACT
=
GGCATGA
I believe because C = G , G = C , T = A , and A = T
I think the best way is to try providing helpful things that will help the humans or have people try to plant the plants somewhere that reminds them of their old climate
I REALLY HOPE THAT HELPS I tried