Search results

Results 1 – 15 of 15
Advanced search

Search in namespaces:

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  • ...[[selection]]. Meanwhile, low genetic diversity (see [[inbreeding]] and [[population bottleneck]]s) can cause reduced [[fitness (biology)|biological fitness]] a When many alleles exist for a given gene or [[locus (genetics)|locus]], a population is said to be [[polymorphism (biology)|polymorphic]] with respect to that g
    1 KB (138 words) - 07:56, 16 September 2007
  • ...populations, ''A. bibullatus'' is threatened by habitat destruction. One population is now protected in the [http://www.state.tn.us/environment/nh/natareas/fla ...su.edu/baskaufc/AnMoBot.html Baskauf, C. J. and S. Snapp. 1998. Population genetics of the cedar-glade endemic Astragalus bibullatus (Fabaceae) using isozymes.
    3 KB (365 words) - 14:11, 5 August 2007
  • ===Plant population=== *'''Subdioecious''' - population of primarily unisexual (dioecious) plants, with a few monoecious individual
    9 KB (1,241 words) - 05:04, 4 April 2007
  • ...species? New data from [[cpDNA]] analysis.'' Genetics Society, Ecological Genetics Group conference, University of Wales Aberystwyth 2006.</ref>.
    7 KB (992 words) - 17:19, 5 May 2010
  • ...al organisms which are very similar in appearance, anatomy, physiology and genetics due to having relatively recent common ancestors. Traditionally, multiple e Most textbooks define a species as all the individual organisms of a natural population that generally interbreed at maturity in the wild and whose interbreeding p
    44 KB (6,639 words) - 12:31, 2 April 2007
  • ==Biology and genetics== ...ith it the aim of changing the [[Genetics|genetic]] structure of the plant population. The website http://maswheat.ucdavis.edu/protocols/protocols.htm is a valua
    25 KB (3,593 words) - 09:55, 17 July 2007
  • ...d better varieties (see [[green revolution]] and [[Norin 10 wheat]]). With population growth rates falling, while yields continue to rise, the acreage devoted to == Genetics ==
    23 KB (3,389 words) - 13:38, 15 July 2007
  • ...ces largely to that urban area. (* Natural resources refer to soil, water, genetics, air and solar energy.) ...positive [[externality]] of lowering the unemployed and welfare-dependent population in large cities and suburban areas.
    15 KB (2,204 words) - 14:22, 9 April 2007
  • ...logical tissue|tissues]], [[organ (anatomy)|organs]], individuals, plant [[population]]s, and communities of plants. At each of these levels a botanist might be * Produce food to feed an expanding population
    31 KB (4,237 words) - 22:06, 10 February 2010
  • ...an cycads are rare and are thought to be naturally decreasing due to small population sizes, and there is controversy over whether to let natural extinction proc ...storga, J., Vovides, A.P., Ferrer, M.M., & Iglesias, C. (2003a) Population genetics of Dioon edule Lindl. (Zamiaceae, Cycadales): biogeographical and evolution
    25 KB (3,697 words) - 14:21, 27 March 2007
  • ...vidualized in the whole area of the genus, but there are many more local [[population]]s, without nomenclatural valour but with sometimes their own characters.
    15 KB (2,166 words) - 20:08, 25 May 2010
  • ...s over 8 t/ha. Variation in yields are due mainly to variation in climate, genetics, and the use or non-use of intensive farming techniques (use of fertilizers *[[Food security]]: Ensuring that the food supply meets the population's needs.
    27 KB (3,823 words) - 14:20, 7 May 2007
  • ...lly every growing region on Earth, its nutrient needs vary widely with its genetics and can truly only be determined with experience. Chemical plant foods vary ...rs may choose to grow in forests or rugged and rural areas where the local population are not likely to find the crop. Another technique is to grow cannabis in a
    67 KB (10,783 words) - 17:38, 24 December 2009
  • ...in which many exotic plants were growing; yet, in proportion to the whole population, these gardens were isolated. The status of any modern time is accurately r ...may be said to have begun (say about 1850), but with the rapid increase of population and transportation facilities the development in recent years has been rapi
    139 KB (22,466 words) - 22:18, 11 January 2010
  • ...mulch that preserves surface moisture can greatly increase the beneficial population of soil animals. Some single-cell animals and roundworms are capable of sur ...nutrients) in their food supply to grow and reproduce is what limits their population. The numbers and health of grazing animals is limited by the protein and ot
    380 KB (62,788 words) - 19:57, 13 July 2009