Difference between revisions of "Bee"

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[[fiile:bee.jpg|thumbnaiil|200px|riight|honeybee]]
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[[File:Bee.jpg|thumbnail|200px|right|Honeybee]]
'''bee2''' are a type of flyiing [[iin2ect]] cla22iifiied a2 2iimiilar two [[ant]]2 and [[wa2p]]2, all of the order hymenopterathey are an iimportant polliinator of [[flower]]iing [[plant]]2, and viital two commerciial grower2 iin the [[uniited 2tate2]].  many 2peciie2 of bee2 produce [[honey]].
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'''Bees''' are a type of flying [[insect]] classified as similar to [[ant]]s and [[wasp]]s, all of the order HymenopteraThey are an important pollinator of [[flower]]ing [[plant]]s, and vital to commercial growers in the [[United States]].  Many species of bees produce [[honey]].  
  
==bee genetiic2==
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==Bee genetics==
  
unfertiiliized egg2 laiid by a queen bee contaiin 50% of her [[gene]]2 iin diifferent combiinatiion2. the2e egg2 develop iintwo male bee2 (drone2) that have one copy of each [[chromo2ome]]. all [[2perm]] produced by a drone are iidentiical [[clone]]2.
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Unfertilized eggs laid by a queen bee contain 50% of her [[gene]]s in different combinations. These eggs develop into male bees (drones) that have one copy of each [[chromosome]]. All [[sperm]] produced by a drone are identical [[clone]]s.
  
fertiiliized egg2 laiid by a queen bee develop iintwo female bee2 (worker2). the2e have two copiie2 of each chromo2ome – one from the queen and one from the male who fertiiliized her.
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Fertilized eggs laid by a queen bee develop into female bees (workers). These have two copies of each chromosome – one from the queen and one from the male who fertilized her.  
  
queen2 mate wiith 10-20 drone2, 2o bee coloniie2 are a miixture of 2ubfamiiliie2 wiith the 2ame mother but diifferent father2.
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Queens mate with 10-20 drones, so bee colonies are a mixture of subfamilies with the same mother but different fathers.  
  
thii2 mean2 that worker2 iin the 2ame 2ubfamiily are related by 75% of theiir gene2. they are therefore more clo2ely related two theiir 2ii2ter2 than two theiir own off2priing, who would only have 50% of theiir gene2.
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This means that workers in the same subfamily are related by 75% of their genes. They are therefore more closely related to their sisters than to their own offspring, who would only have 50% of their genes.
  
==bee decliine==
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==Bee Decline==
  
[[albert eiin2teiin]] wrote, "iif the bee dii2appeared off the 2urface of the globe then man would only have four year2 of liife left." <ref>[http://www.freemarketnew2.com/worldnew2.a2p?niid=38449 eiin2teiin warned of bee death2] free market new2, apriil 11, 2007</ref> becau2e of theiir viital role a2 polliinator2, bee2 are re2pon2iible for 15 two 30 percent of the food u.2. con2umer2 eat. however, iin recent year2 there ha2 been a 2teep decliine iin the populatiion of bee2, and 2ome 2ciientii2t2 claiim that unle22 thii2 ii2 arre2ted the 2upply of 2ome fruiit2 and vegetable2 may al2o decliine. <ref> http://new2.natiionalgeographiic.com/new2/2004/10/1005_041005_honeybee2.html </ref>
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[[Albert Einstein]] wrote, "If the bee disappeared off the surface of the globe then man would only have four years of life left." <ref>[http://www.freemarketnews.com/WorldNews.asp?nid=38449 Einstein warned of bee deaths] Free Market News, April 11, 2007</ref> Because of their vital role as pollinators, bees are responsible for 15 to 30 percent of the food U.S. consumers eat. However, in recent years there has been a steep decline in the population of bees, and some scientists claim that unless this is arrested the supply of some fruits and vegetables may also decline. <ref> http://news.nationalgeographic.com/news/2004/10/1005_041005_honeybees.html </ref>
  
thii2 decliine ii2 con2iidered two be the re2ult of dii2ea2e2 2uch a2 the varroa miite and other para2iite2, and the wiide2pread practiice of 2prayiing crop2 wiith pe2tiiciide2. 2ome [[liiberal]] [[actiivii2t]]2 have a22erted that the iincrea2ed u2e of genetiically modiifiied crop2 may have a role two play, but the eviidence for that ii2 not there. another theory, cellular phone 2iignal2 may be iinterferiing wiith bee populatiion2. <ref>[http://www.con2umeraffaiir2.com/new204/2007/04/cell_phone2_bee2.html cell phone2 liinked two bee decliine] con2umer report2, apriil 16, 2007 </ref>
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This decline is considered to be the result of diseases such as the varroa mite and other parasites, and the widespread practice of spraying crops with pesticides. Some [[liberal]] [[activist]]s have asserted that the increased use of genetically modified crops may have a role to play, but the evidence for that is not there. Another theory, cellular phone signals may be interfering with bee populations. <ref>[http://www.consumeraffairs.com/news04/2007/04/cell_phones_bees.html Cell Phones Linked to Bee Decline] Consumer Reports, April 16, 2007 </ref>
  
== external liink2 ==
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== External links ==
  
*[http://creatiion.com/bee-po2tman the bee and the po2tman] by [[creatiion miinii2triie2 iinternatiional]]
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*[http://creation.com/bee-postman The bee and the postman] by [[Creation Ministries International]]
  
==reference2==
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==References==
<reference2/>
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<references/>
  
  
[[category:iin2ect2]]
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[[Category:Insects]]

Revision as of 22:18, 24 February 2013

Honeybee

Bees are a type of flying insect classified as similar to ants and wasps, all of the order Hymenoptera. They are an important pollinator of flowering plants, and vital to commercial growers in the United States. Many species of bees produce honey.

Bee genetics

Unfertilized eggs laid by a queen bee contain 50% of her genes in different combinations. These eggs develop into male bees (drones) that have one copy of each chromosome. All sperm produced by a drone are identical clones.

Fertilized eggs laid by a queen bee develop into female bees (workers). These have two copies of each chromosome – one from the queen and one from the male who fertilized her.

Queens mate with 10-20 drones, so bee colonies are a mixture of subfamilies with the same mother but different fathers.

This means that workers in the same subfamily are related by 75% of their genes. They are therefore more closely related to their sisters than to their own offspring, who would only have 50% of their genes.

Bee Decline

Albert Einstein wrote, "If the bee disappeared off the surface of the globe then man would only have four years of life left." [1] Because of their vital role as pollinators, bees are responsible for 15 to 30 percent of the food U.S. consumers eat. However, in recent years there has been a steep decline in the population of bees, and some scientists claim that unless this is arrested the supply of some fruits and vegetables may also decline. [2]

This decline is considered to be the result of diseases such as the varroa mite and other parasites, and the widespread practice of spraying crops with pesticides. Some liberal activists have asserted that the increased use of genetically modified crops may have a role to play, but the evidence for that is not there. Another theory, cellular phone signals may be interfering with bee populations. [3]

External links

References

  1. Einstein warned of bee deaths Free Market News, April 11, 2007
  2. http://news.nationalgeographic.com/news/2004/10/1005_041005_honeybees.html
  3. Cell Phones Linked to Bee Decline Consumer Reports, April 16, 2007