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Animal adapations
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Animal adapations

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Animal adapations Animal adapations Presentation Transcript

  • Animal Adaptations
  •  Structural adaptation – a physical characteristic related to the structure of an organism
  • Adaptation ExampleXerophyte plants have manystructural adaptations to minimisewater loss, e.g. the pigface hasfleshy stems to store watereucalypts have a waxy cuticle ontheir leaves which reflects heat andlight to minimise water loss fromevaporation Image source:blogbalance.wordpress.com
  •  Physiological adaptation – related to the way an organism functions
  • Adaptation Exampleanimals that dilate or swell theirblood vessels, bringing them closeto the surface of the skin to loseheat more rapidly in a high-temperature environmentThe spinifex hopping mouse andsome desert mammals reducewater loss from excretion byproducing highly concentratedurine
  •  Behavioral adaptation – how an organism responds to the environment
  • Adaptation ExampleKangaroos lick their forearms tolose heat as the evaporation ofsaliva draws heat from the surfaceThe bilby hides in burrows toreduce the temperature of theenvironment and lives nocturnally(it forages for food at night when itis cooler).