On the death of one joint tenant the property automatically passes to the other joint tenant (s), regardless of what may be set out in the deceased person's will. (moneysmart.gov.au)
If one joint tenant dies, his or her share generally passes automatically to the other joint tenant (s) by right of survivorship. (rocketlawyer.com)
If one dies the property automatically passes to the other joint tenant (s), which is known legally as the right of survivorship. (law.stackexchange.com)