10 LIVRES EN ANGLAIS EN RAPPORT AVEC «SELF-FERTILISED»
Découvrez l'usage de
self-fertilised dans la sélection bibliographique suivante. Des livres en rapport avec
self-fertilised et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
The Variation of Animals and Plants Under Domestication
The self-fertilised and crossed seeds thus obtained were allowed to germinate in
the same glass vessel on damp sand ; and as the seeds successively germinated
, they were planted in pairs on opposite sides of the same pot, with a superficial ...
2
The Effects of Cross and
Self Fertilisation in the Vegetable ...
In this book Darwin provides experimental evidence for a hypothesis stated in his famed book of 1859, Origin of Species, that "... in none [i.e. plant] [...]can self-fertilisation go on for perpetuity" (Origin p101).
3
Maths in Action - Advanced Higher Statistics 1
Ralph Riddiough, John H. McColl. role. Since x, and y, are measurements of the
vigour of a cross-fertilised and a self-fertilised plant grown under identical
conditions then, the larger x, is in comparison with y-, the more vigorous was that
...
Ralph Riddiough, John H. McColl, 2001
4
On Evolution: The Development of the Theory of Natural Selection
Some self-fertilised flowers are absolutely sterile; but the degree of their sterility is
largely determined by the conditions to which the parent plants have been
exposed, as was well exemplified in the case of Eschscholtzia and Abutilon.
Charles Darwin, Thomas F. Glick, David Kohn, 1996
5
Language, Quantum, Music: Selected Contributed Papers of the ...
Darwin was trying to determine whether there was a difference in the speed of
growth between self, fertilised and cross,fertilised plants, by comparing the height
they had reached by a certain date. The organization of the experiment requires ...
Roberto Giuntini, Maria Luisa Dalla Chiara, Federico Laudisa, 1999
6
Logic: Or, the Morphology of Knowledge
Or it can be both self-fertilised, and not-self-fertilised in the specific sense of
being cross-fertilised. The first of these three comparisons requires two 'instances
' ; the two latter need only require one apiece, or indeed one between them.
7
Darwinism: An Exposition of the Theory of Natural Selection ...
As opposed to the theory that there is any absolute need for cross-fertilisation, it
has been urged by Mr. Henslow and others that many self-fertilised plants are
exceptionally vigorous, such as groundsel, chickweed, sow-thistle, buttercups,
and ...
Alfred Russel Wallace, 2007
8
On the Various Contrivances by Which British and Foreign ...
Are we to believe that these contrivances in the Bee Ophrys are absolutely
purposeless, as would certainly be the case if this species is perpetually self-
fertilised ? If the discs had been small or only viscid in a slight degree, if the other
related ...
9
Charles Darwin's Natural Selection: Being the Second Part of ...
to decrease; so that in a late generation the hybrid could not be fertilised even by
the pollen of either pure ancestral species.1 In the successive generations of self-
fertilised hybrids, occasionally a seedling is produced extremely like one of its ...
Charles Darwin, R. C. Stauffer, 1987
10
Alternative Logics. Do Sciences Need Them?
Italo Scardovi 1. In 1876, Charles Darwin terminated a series of experiments that
had lasted eleven years. During the experiments, he had compared groups of
self- fertilised plants and groups of cross-fertilised plants in successive
generations ...
4 ACTUALITÉS CONTENANT LE TERME «SELF-FERTILISED»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
self-fertilised est employé dans le contexte des actualités suivantes.
Rescue a triumph for conservation
Some laid eggs, either self-fertilised as hermaphrodites but more likely from mating before their capture. "The aim of the project was to keep the snails alive," ... «The Press, juin 13»
Snakes alive! Why the adder is retreating from Yorkshire's woods
He helped in the first recorded breeding of Komodo dragons through parthenogenesis – a natural phenomenon where eggs are self-fertilised by the female. «Yorkshire Post, mai 12»
Zoologger: The amphibious fish that mates with itself
Mangrove killifish that have self-fertilised for just a few generations become homozygous: that is, they have two identical copies of every gene. So within each ... «New Scientist, août 11»
Darwin dynasty's ill health blamed on inbreeding
... and that of his children, following his ground-breaking studies demonstrating that cross-bred plants are far fitter and more vigorous than self-fertilised plants. «New Scientist, mai 10»
