منابع مشابه
Nematodes, figs and wasps.
Certain Ficus spp. are dependent on wasps for pollination. The invading wasps usually shed their wings on entering a fig through the ostiole; and during attempted or successful egg deposi t ion, transfer pollen to the female flowers and then die. A gall forms around each egg, and within the gall develops a male or a female wasp. Male wasps are the first to emerge from galls, and they then ferti...
متن کاملFigs and fig wasps
The current project builds on previous grants under the Darwin Initiative that focused on Nepal's flora, a key one of which dealt with plant information and technology transfer, run by the Natural History Museum in London. But the current project is much more ambitious. Although only funded for three years at present, the team hopes funds will be made available for the estimated 15 years it wil...
متن کامل(Microsoft Word - text and figs - word)
W e r e p o r t h e r e d i r e c t m e a s u r e m e n t s o f t h e d e s t r u c t i o n o f c h a r g e q u a n t i z a t i o n i n a s i n g l e e l e c t r o n b o x , t h e f i r s t o v e r t h e f u l l r a n g e o f b o x t o l e a d c o n d u c t a n c e v a l u e s f r o m G ~ 0 t o t h e c o n d u c t a n c e q u a n t u m G
متن کاملarchived; figs deleted here; HP4
The search for cold dark-matter WIMP particles is now entering the level of supersymmetric particle sensitivity. It is considered that the most likely neutralino mass is of order 100 GeV and the expected interaction rate is from 10 10 events/kg/day. In order to carry out a successful search, we need (1) a massive (~50kg) powerful background-discriminating detector, and (2) a high-A target to ma...
متن کاملNutritional Dimorphism in New Guinea Dioecious Figs
The life history of figs (Ficus, Moraceae) involves pollination by specialized insects and seed dispersal by vertebrate frugivores. This three-way interaction raises the possibility of conflict between pollinators and seed dispersers over fig resources. The conflict might be mediated in dioecious figs by the segregation of inflorescences with specialized male and female sexual functions, termed...
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ژورنال
عنوان ژورنال: Nature
سال: 1892
ISSN: 0028-0836,1476-4687
DOI: 10.1038/047152a0