«SELF-FERTILISATION» এর সঙ্গে সম্পর্কিত ইংরেজী বই
নিম্নলিখিত গ্রন্থপঞ্জী নির্বাচনে
self-fertilisation শব্দটির ব্যবহার খুঁজুন। ইংরেজী সাহিত্যে
self-fertilisation শব্দের ব্যবহারের প্রসঙ্গ সম্পর্কিত বই এবং তার থেকে সংক্ষিপ্তসার।
1
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).
2
Longman A-Level Biology: Growth, Development and Reproduction
2 There are two types of fertilisation: (a) Self-fertilisation Self-pollination leads to
self-fertilisation. Self-fertilisation involves the fusion of a male gamete with a
female gamete from the same individual. Self-fertilisation is a form of inbreeding.
5 INBREEDING Most cirripedes are hermaphrodites (Darwin 1854, Charnov, this
volume) and are potentially capable of self-fertilisation. Barnes & Crisp (1956)
looked for nauplii in isolated individual barnacles. They showed that Chthamalus
...
4
Scallops: Biology, Ecology and Aquaculture: Biology, Ecology ...
Several scallop species such as P. maximus, A. irradians and A. ventricosus (=
circularis) are hermaphroditic and, in hatchery situations, some self-fertilisation is
the rule rather than the exception (Beaumont et al. 1982; Wilbur and Gaffney ...
Sandra E. Shumway, Jay G.J. Parsons, 2011
5
Ecology: Principles and Applications
In fact they often have mechanisms which prevent self-fertilisation occurring,
although under certain circumstances this may happen. Some of the mechanisms
found in angiosperm plants which promote outcrossing by making self-
fertilisation ...
J. L. Chapman, M. J. Reiss, 1999
6
Self-Incompatibility in Flowering Plants: Evolution, ...
Obviously, the utility of a breakdown of SI with floral or reproductive age as a
mechanism to provide reproductive assurance is enhanced when it is coupled
with additional floral mechanisms that enable autogamous self-fertilisation in old
but ...
Vernonica E. Franklin-Tong, 2008
7
Gene Flow from GM Plants
Seed production from crosses between male sterile and pollen-producin g lines
Self-fertilisation, low frequency of outcrossing Pollen (wind dispersal) and seeds
Pollen (wind) and seeds Pollen (wind) and seeds Pollen (insects) and seeds ...
Guy M. Poppy, Michael J. Wilkinson, 2008
A common mechanism for self-fertilisation is the dehiscence of anthers before the
florets open and the stigmas are exserted (Richards, 1986). This mechanism
achieves a balance between self- and cross-fertilisation and also between
genetic ...
9
Darwinism: An Exposition of the Theory of Natural Selection ...
Yet more extraordinary is it to find numerous cases in which the special
arrangements for cross-fertilisation appear to have been a failure, since they
have either been supplemented by special means for self-fertilisation, or have
reverted back ...
Alfred Russel Wallace, 2007
10
On the Origin of Species
When the stamens of a flower suddenly spring towards the pistil, or slowly move
one after the other towards it, the contrivance seems adapted solely to ensure
self-fertilisation; and no doubt it is useful for this end: but the agency of insects is
...
10 «SELF-FERTILISATION» শব্দটি আছে এমন সব সংবাদ
জাতীয় ও আন্তর্জাতিক সংবাদের ক্ষেত্রে
self-fertilisation শব্দটি নিয়ে কি বলা হয়েছে এবং নিম্নলিখিত সংবাদে কোন প্রসঙ্গে
self-fertilisation শব্দটি ব্যবহার করা হয়েছে।
Precious pollinators
Pollination can occur between plants when pollen is carried by the wind or by insects such as the honeybee, or within the same plant (self-fertilisation). «Trinidad Guardian, জুলাই 15»
Worm breeds by injecting sperm into its own head when there are …
This 'self-fertilisation' only happens when there are no other mating prospects around, as observed in the laboratory by researchers from the Universities of ... «Irish Mirror, জুলাই 15»
Is This A Living Rock With Organs? – The P. Chilensis Is Also A …
Cross fertilisation is more common, but offspring stemming from self-fertilisation has been observed to be equally successful. P. chilensis has another surprise in ... «Island Crisis News, ফেব. 15»
How plants may be evolving to the lack of bees
"Whether the reversion towards self-fertilisation can provide an escape route from ecological bee shortages depends on how rapidly plants can evolve. In the ... «Phys.Org, জুলাই 14»
Want to be natural? Harvest from wild vines, says grape geneticist
Continuing he said, “But it [reproduction] is mainly the result of self-fertilisation, so the result is even less resistant, and very prone to diseases.” Vouillamoz ... «The Drinks Business, জুলাই 14»
Jellyfish winning the fight for food - against humans
Cloning, self-fertilisation and copulation are among the methods of different jellyfish species, while Turritopsis dohrnii has been dubbed a ''zombie jelly'' for its ... «Sydney Morning Herald, নভেম্বর 13»
Swimmer surprise in undersea sex
... they find a neighbour and eject sperm into an egg-bearing cavity, were their only means of solving the problem, aside from a few rare cases of self-fertilisation. «Stuff.co.nz, জানুয়ারি 13»
Poorly-endowed barnacles overthrow 150-year-old belief
They couldn't possibly have arisen through self-fertilisation. Nor could these genes have come from a neighbouring barnacle that then died, since barnacles ... «National Geographic, জানুয়ারি 13»
Biology: Where The Red Queen Rules
Simply put, in a stable environment, without any external pressures (such as a parasite), selfing (or self-fertilisation, the act of reproduction without the ... «Science 2.0, অক্টোবর 11»
Where are all the flowers from?
This optmises reproductive efficiency and can allow self-fertilisation in the absence of pollinators. The flowers on co-sexual plants comprise both stamens, the ... «University of Bristol, নভেম্বর 10»
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