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Ch 27 Biomes (Current World Biomes (Dry Temperate Biomes (grassland (also…

- - - - dominated by giant long lived conifers
    - - occur at bases of mountains
    - - cold winters and WARM summers
        
        not hot summers
    - - occurs at southern edge of oak pine component
  - - - also known as prairie
      - from texas coast to Canadian border
    - - similar to forest but trees are wildly spaced
    - - if grass grows between the trees
    - - trees are replaced with shrubs
    - - shrubland in California
    - - driest region of temperate
      - rainfall less than 25 cm/yr
  - - - soil that's permanently frozen
    - - short growing season
        
        three months or less
      - cold temperatures
    - - northern
      - Alaska and Canada
  - - - occurs close to equator
        
        Hawaii, Puerto Rico, and Guam
- - - - June 21 or 22
    - - December 21 or 22
    - - March 21
  - - - Pacific, Atlantic, and Indian Oceans
    - - extremely dry
      - often no fresh water streams or lakes
    - - decreased rain on landward side of mountain
- - - - South America, Africa, India, Australia, and Antarctica
    - - North America collides with Eurasia
    - - Gondwanaland and Laurasia collides
      - all land pushed together
        
        super continent
      - existed millions of years
    - - between northern and southern continents
    - - north and south America colliding