Page 23 - 1
P. 23
• ﺍﻟﺒﺮﺍﻣﺴﻴﻮﻡ ﻣﻦ ﺍﻟﻄﻠﻴﻌﻴﺎﺕ ﺍﻟﻬﺪﺑﻴﺔ ﻭﻫﻮ ﻳﻨﺘﺸﺮ ﻓﻲ ﺍﻟﺒﺮﻙ ﻭﺍﻟﻤﻴﺎﻩ ﺍﻟﺮﺍﻛﺪﺓ ﺍﻟﻤﺤﺘﻮﻳﺔ ﻋﻠﻰ ﺍﻟﻨﺒﺎﺗﺎﺕ ﺍﻟﻤﺎﺋﻴﺔ
ﻭﺍﻟﻤﻮﺍﺩ ﺍﻟﻌﻀﻮﻳﺔ .
ﻓﺎﺋﺪﺓ :ﺍﻟﻜﻼﻣﻴﺪﻭﻣﻮﻧﺎﺱ ﻃﻠﻴﻌﻴﺎﺕ ﺳﻮﻃﻴﺔ ﻷﻥ ﺑﻴﻬﺎ ﺍﺳﻮﺍﻁ ﺃﻣﺎ ﺍﻟﺒﺮﺍﻣﺴﻴﻮﻡ ﻃﻠﻴﻌﻴﺎﺕ ﻫﺪﺑﻴﺔ ﻷﻥ ﺑﻴﻬﺎ ﺍﻫﺪﺍﺏ.
ﺱ :ﻣﺎ ﻫﻲ ﻣﺮﺍﺣﻞ ﺍﻟﺘﻜﺎﺛﺮ ﺍﻟﻼﺟﻨﺴﻲ ﻓﻲ ﺍﻟﺒﺮﺍﻣﻴﺴﻴﻮﻡ؟ ) 2016ﺩ(1
ﺃﻭ ﺱ :ﺍﺷﺮﺡ ﻣﺮﺍﺣﻞ ﺍﻟﺘﻜﺎﺛﺮ ﺍﻟﻼﺟﻨﺴﻲ ﻓﻲ ﺍﻟﺒﺮﺍﻣﻴﺴﻴﻮﻡ 2021) .ﺕ( ) 2022ﺩ(2
ﺝ :ﻳﺘﻜﺎﺛﺮ ﺍﻟﺒﺮﺍﻣﻴﺴﻴﻮﻡ ﻻ ﺟﻨﺴﻴﺎﹰ ﺑﺎﻻﻧﻘﺴﺎﻡ ﺍﻟﺜﻨﺎﺋﻲ ﺍﻟﻤﺴﺘﻌﺮﺽ ﻭﻛﺎﻵﺗﻲ:
.1ﻳﺒﺪﺃ ﺍﻻﻧﻘﺴﺎﻡ ﺑﺎﻧﻘﺴﺎﻡ ﺍﻟﻨﻮﺍﺓ ﺍﻟﺼﻐﻴﺮﺓ ﺍﻧﻘﺴﺎﻣﺎ ﺍﻋﺘﻴﺎﺩﻳﺎ .
.2ﻣﻊ ﺍﻧﻘﺴﺎﻡ ﺍﻟﻨﻮﺍﺓ ﺍﻟﺼﻐﻴﺮﺓ ﺇﻟﻰ ﻧﻮﺍﺗﻴﻦ ﺗﺘﺠﻪ ﻛﻞ ﻣﻨﻬﻤﺎ ﺇﻟﻰ ﻃﺮﻑ ﻣﺘﻀﺎﺩ ﻣﻦ ﺃﻃﺮﺍﻑ ﺍﻟﺒﺮﺍﻣﻴﺴﻴﻮﻡ ﻭﻓﻲ
ﻧﻔﺲ ﺍﻟﻮﻗﺖ ﺗﺴﺘﻄﻴﻞ ﺍﻟﻨﻮﺍﺓ ﺍﻟﻜﺒﻴﺮﺓ ﻭﻳﻈﻬﺮ ﺑﺮﻋﻢ ﺍﻟﻔﻢ ﺍﻟﺨﻠﻮﻱ.
.3ﺗﻨﻘﺴﻢ ﺍﻟﻨﻮﺍﺓ ﺍﻟﻜﺒﻴﺮﺓ ﺍﻧﻘﺴﺎﻣﺎ ﻣﺒﺎﺷﺮﹰﺍ ﺇﻟﻰ ﻧﻮﺍﺗﻴﻦ ﻭﺗﺘﺠﻬﺎﻥ ﺇﻟﻰ ﻃﺮﻓﻲ ﺍﻟﺨﻠﻴﺔ )ﺍﻟﺒﺮﺍﻣﻴﺴﻴﻮﻡ( ،ﻳﺘﻜﻮﻥ ﺃﺧﺪﻭﺩ
ﻓﻤﻲ ﺟﺪﻳﺪ ﻭﺗﻈﻬﺮ ﻓﺠﻮﺗﺎﻥ ﻣﺘﻘﻠﺼﺘﺎﻥ ﺟﺪﻳﺪﺗﺎﻥ ﻛﻤﺎ ﻳﺤﺼﻞ ﺗﺨﺼﺮ ﻓﻲ ﺟﺴﻢ ﺍﻟﺒﺮﺍﻣﻴﺴﻴﻮﻡ ﻟﻴﻘﻮﺩ ﺇﻟﻰ ﺍﻻﻧﻘﺴﺎﻡ.
.4ﻳﻨﻘﺴﻢ ﺍﻟﺒﺮﺍﻣﻴﺴﻴﻮﻡ ﺇﻟﻰ ﺑﺮﺍﻣﻴﺴﻴﻮﻣﻴﻦ ﺑﻨﻮﻳﻴﻦ )ﺟﺪﻳﺪﻳﻦ(.
ﺱ :ﺃﺭﺳﻢ ﻣﻊ ﺍﻟﺘﺄﺷﻴﺮ ﺍﻟﺘﻜﺎﺛﺮ ﺍﻟﻼﺟﻨﺴﻲ ﻓﻲ ﺍﻟﺒﺮﺍﻣﺴﻴﻮﻡ .
ﺱ :ﻳﺘﻜﺎﺛﺮ ﺍﻟﺒﺮﺍﻣﻴﺴﻴﻮﻡ ﻻ ﺟﻨﺴﻴﺎﹰ ﻋﻦ ﻃﺮﻳﻖ :
ﺃ -ﺍﻻﻧﻘﺴﺎﻡ ﺍﻟﺜﻨﺎﺋﻲ ﺏ -ﺍﻟﺘﺠﺪﺩ
ﺩ -ﺗﻜﻮﻳﻦ ﺍﻻﺑﻮﺍﻍ ﺝ -ﺍﻟﺘﺒﺮﻋﻢ
ﻫﺬﺍ ﺳﺆﺍﻝ ﻭﺯﺍﺭﻱ ﻣﻦ ﺃﺳﺌﻠﺔ ﺍﻟﻔﺼﻞ