• Climate is the average weather in an area over a long period of time.
  • Weather refers to the conditions of the atmosphere from day to day.
  • Climate is generally described in terms of temperature and moisture.
  • Terrestrial biomes include all the land areas on Earth where organisms live.
  • The distinguishing features of terrestrial biomes are determined mainly by climate.
  • For example, in arid climates, plants may have special tissues for storing water.
  • Biodiversity generally increases from the poles to the equator.
  • This is apparent from the desert and rainforest biomes pictured in Figure above.
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