Slide1- Mitochondrial Eve Theory states that the mitochondrial DNA in all humans is inherited from one common female ancestor in Africa ~200,000 years ago. This is just one of several theories about human evolution that are being debated and this is the only theory that will be discussed in this presentation.lide 5- Again, the Mitochondrial Eve Theory states that the mitochondrial DNA in all humans is inherited from one common female ancestor in Africa ~200,000 years ago.
Symbolism. The rhododendron flower symbolizes caution and danger. According to LivingArtsOriginals.com, the significance of these floral meanings comes from the fact that the rhododendron plant contains toxins, which if ingested are harmful to humans and animals.ver 1,000 species of rhododendrons are in existence. Along with the family name, Ericaceae, certain rhododendron flowers contain scientific names with specific meanings. These include the rhododendron alabamense, which translates to Alabama azalea, and rhododendron calendulaceum, meaning flame azalea.
There are more than 850 different natural species in the Genus (group) Rhododendron and many of the species are potentially quite toxic. Rhododendron anthopogon is the only species from which an essential oil is distilled. Also known as Himalayan Dwarf Rhododendron. The leaves and fresh flowers of the rhododendron are used as a tea substitute by Himalayan healers to promote digestive fire, to stimulate the appetite and to treat disorders of the liver. A colourless to pale yellow essential oils is obtained through steam distillation of the aerial parts of the plant with a 1 â 2% yield.