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successive generations

Listing 11 - 20 from 22 for successive generations

Angraecum sesquipedale - The Christmas star orchid
... . We can thus understand how the astonishing length of the nectary had been acquired by successive modifications. As certain moths of Madagascar became larger through natural selection in relation to their ... seed, and the seedlings would generally inherit long nectaries; and so it would be in successive generations of the plant and of the moth. Thus it would appear that there has been ...
www.orchidlady.com

C4 plants: Effects of climate and CO2 on evolutionary fitness
... of fitness in C4 plants show adaptation to low atmospheric CO2 after artificial selection over successive generations? My research programme will address questions like these through new investigations of physiology in C4 ...
www.palaeobiology.org.uk

May 2003
... institutions like SOOS must adapt. We have seen the leadership of the society pass through successive generations. In the beginning there were Helen and Walter Norman and their associates. Helen and Walter ...
www.soos.ca

Rhynie VII
... plant with rhizome bulbs Right: A tetrad of Horneophyton spores. Nothia aphylla consists of numerous successive generations of axes. The basal parts of these axes grew subterranean and formed a broadly expanding ...
www.uni-muenster.de

Radio drama review 2002 - DIVERSITY
... ) including an excellent one on Mohammed Ali, formerly Cassius Clay. Racism had been rife for generations in America; to paraphrase Steele:- 'In 1908, the black Jack Johnson won the World Heavyweight ... ninety minute plays, and another split in half (Titanic, mentioned below) and put out on successive days in the afternoon. A regular 90 minute slot is necessary, but we are not ...
web.ukonline.co.uk

t
... fruit, the production of minute fine spores, often in copious quantities, and by alternating generations of separate spore producing plants (sporophytes) and gamete producing plants (gametophytes). In these respects ... axils or at various places on the leaf surface. Plants may chain along as successive bulbils take root, establish themselves and produce fronds and bulbils of their own. Proliferating ...
www.anbg.gov.au

APSnet Education Center - Introductory Topics - What are Fungicides?
... cycle include whether the disease is monocyclic (one generation per year) or polycyclic (multiple generations) and latent period (time between infection and symptom expression). Economics often influence the choice ... a subsequent crop, the alternation scheme among at-risk fungicides should be continued between successive crops such that the first at-risk fungicide applied to a crop belongs to ...
www.apsnet.org

LewHisINationOfImmigrants
... of an Hispanic family who had been citizens of this country for generations. In fact, their family might have held successive citizenships – of Spain, then of greater Mexico, then of the ... m only a second-generation American myself – my grandparents were both Irish immigrants. Nevertheless, successive waves of new people, from a new country, a new region of the world, have ...
www.dragongoose.com

Listroderes difficilis
... F and as few as 48 days at 76 F (High, 1939). There are continuous generations throughout the year in Hawaii. EGGS The small (1/25 inch in diameter), spherical, creamy ... preferred host crops should not be planted in the same field or adjacent fields in successive years (High, 1939). Susceptible crops should be thoroughly cultivated and borders of the field should ...
www.extento.hawaii.edu

Abstracts
... the development of resistance for 50n sequential generations, even when insects are selected with toxin concentrations that kill 90% of the insects in each successive generation. The principles of using multiple toxins ...
www.genetics.ac.cn




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