Uluru are greatest near the rich water run-off areas of Uluru and Kata Tjuta. Uluṟu–Kata Tjuṯa National Park flora represents a large portion of plants found in Central Australia. A number of these species are considered rare and restricted in the park or the immediate region. Many rare and endemic plants are found in the park. The growth and reproduction of plant communities rely on irregular rainfall. Some plants are able to survive fire and some are dependent on it to reproduce. Plants are an important part of "Tjukurpa", and ceremonies are held for each of the major plant foods. Many
Genetic sexual attraction the hypothesis to occur as a consequence of genetic relatives meeting as adults, typically as a consequence of adoption. However this is a very rare consequence of adoptive reunions. Incest is extremely rare between people raised together in early childhood due to a reverse sexual imprinting known as the Westermarck effect, which desensitizes them to later close sexual attraction. It is hypothesized that this effect evolved to prevent inbreeding. Although reported frequently as anecdote in the field of psychology, there are no studies showing that people are sexually attracted to those genetically similar to them. Studies of MHC genes show