Skip to main content

PLANE-VARIETY-DRY LAND PLANTS.

DRY  LAND PLANTS  (XEROPHYTES) are   able  to  survive  in  unfavourable  habitats.All    are  found  in  places  where  little  water  is available ; some  live in  high  temperatures  that   cause   excessive   loss  of  water  from  the  leaves Xerophytes   show   a  number  of  adaptations  to  dry  condition;these  include   reduced  leaf  area  , rolled  leaves, sunken   stomata,hairs,  spines,and  thick  cuticles. One  group  ,   succulent  plants,  store   water  in   specially  enlarge  spongy  tissues   found     in leaves ,roots,or  stems.Leaf  succulents     have    enlarged ,fleshy, water  storing  leaves..Root   succulents   have  a  large  ,  underground  water  storage   organ   with  short -lived  stems  and  leaves  above   the  ground .Stem  succulents   are  represented    by   cacti(family  cactaceae).Cacti   stems  are  fleshy, green,and  photosynthetic ;they are  typically     ribbed   or  covered   by  tubercles  in  rows ,   with    leaves  being   reduced  to  spin or  entirely  absent.

Comments

Popular posts from this blog

KEY BOARD SHORT CUTS

While   surfing  the Web,  these commands  could  help  you  and  are absolutely worth learning. By making repetitive motions faster, web surfing becomes so easy  and    pleasant! The following shortcuts can  be   work with desktop versions of Chrome, Firefox, and IE. CTRL-T to launch a new browser tab page. Tabbed pages are very useful: they let you open multiple web pages simultaneously without the same memory load as a full browser window.  Simply press CTRL-T to launch a new tab. Related: use CTRL-Page Up and CTRL-Page Down to navigate between the tabs.  CTRL-Enter to type 'www.' and '.com' Once you ...

REVOLUTIONS-INDUSTRIAL AND INFORMATION

INDUSTRIAL   REVOLUTION  Starts   in   Europe  particularly  in  England  in  eighteen  century.It   changed  the  whole   of Europe   and   England 's  economy.During  this  period    New    machines  are  invented  in   England   to  speed  up  the    spinning  of  wool  and  cotton .At  first  they  were  powered  by  water  wheels  but  later steam  engines   are  developed.Iron   become  cheaper  and  stronger  as  Iron  making  techniques   improved.Canals  are  dug  to  carry   coal   from  the  mines and  to  transport  finished  goods.After ...

THE KING OF POP- MICHAEL JACKSON

Michael Joseph Jackson (August 29, 1958 – June 25, 2009) was an American singer, songwriter, and dancer. Dubbed the "King of Pop", he is regarded as one of the most significant cultural figures of the 20th century and one of the greatest entertainers in the history of music.   Michael Jackson is born. Pop sensation Michael Jackson is born on August 29, 1958, in Gary, Indiana. Jackson began performing with his four brothers in the pop group the Jackson 5 when he was a child. ... Jackson released several solo albums in the '70s, but his great breakthrough came in 1979 with Off the Wall.   Known as the "King of Pop," Michael Joseph Jackson was a best-selling American singer, songwriter and dancer. As a child, Jackson became the lead singer of his family's popular Motown group, the Jackson 5.   As a child, Jackson became the lead singer of his family's popular Motown group, the Jackson 5. He went on to a solo career of astonishing w...