11.16 - Deserts o Dry o Usually worm o 30 deg north and...

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Deserts o Dry o Usually worm o 30 deg north and south o Rain shadows o Often unstable High winds, extreme temp o Arid (dry) desterts More soil, no plants mostly o Semiarid deserts Inches of water a year o Both have very low productivity Desert plants o Rapid reproducers Only when water is present o Water storage Succulents Modified stem, roots, leafs Juicy Desert animals o Water storage capabilities o Water efficiency o Get water from their food o Dense urin o Structures that minimize heat o Behavior used with structures o Shelter from the heat Microhabitats o Small place to live o Many microhabitatis within a large biome Ecotone o Habitat where two biomes meet Caves o Smaller than the biome o Can have completely different species o How do cave organisms survice without sunlight
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Unformatted text preview: o External photosynthetic products o Chemoautotrophic bacteria deep within cave • Death valley national park o Devils hole Underwater cave • Devil’s hole pupfish • No one knows how they got there • Syrian desert o Big o Very arid o Max 5 in of rain all year o Unstable desert o Many sand storms o Unique native species Kangaroo rats Donkey Syrian hamster • 1930s • Hard to find Syrian hamsters in the wild Many ecoones Water and desert Arabian horse • Depends on weatr ecotones Oasis • Water source creating a microhabitat • Demascus was built on and oasis A question I’d like answered related to living things due Tuesday...
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  • Spring '08
  • King,K.
  • Biology, Plants, o Water, large biome Ecotone, Juicy Desert animals

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