The complex flower structures and pollination strategies of orchids are the best-documented examples of selection for outcrossing in flowering plants to avoid inbreeding.
The book was his first detailed demonstration of the power of natural selection, and explained how complex ecological relationships resulted in the coevolution of orchids and insects.
Because of substantial time and economic savings, the new transformation system using MSO as a selection agent will facilitate functional studies on orchid genes and genetic engineering of orchids with commercially valuable traits.
But Darwin saw the peculiarities of orchids in a completely new light, as devices, honed and molded by natural selection for the purpose of promoting sexual reproduction.
Orchids The love of orchids knows no season.
They spoke of orchids & the Society.
A group of orchids, often known by such descriptive names as fly orchid, bee orchid, and spider orchid, carries the deception further, actually mimicking the insects themselves.
He had dozens and dozens of orchids.
The Taiwan Orchid Grower's Association has a tree made of orchids.
The city's Deorali Orchid Sanctuary houses some 200 species of orchids found in Sikkim.
