Adaptation and Evolution

Organisms survive in many different envionments because they have adapted to them.

Adaptations - page 53 in revision guide.

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  • Adaptations.
    • Deter Predators.
      • Armour.
        • Thorns.
        • Sharp spines.
        • Shells.
      • Poisons.
        • Bees.
        • Poison ivy.
      • Warning colours.
        • Wasps.
    • Desert Animals
      • Large surface area compared to volume.
        • Lose more body heat.
      • Efficient  with water.
        • Concentrated urine.
        • Produce little sweat.
      • Good with hot conditions.
        • Thin layers of body fat.
        • Thin coat.
      • Camouflage.
        • Avoid  predators.
        • Sneak up on prey.
    • Desert Plants.
      • Small surface area compared to volume.
        • Lose water vapour.
        • Spines reduce water loss.
      • Water storage tissues.
      • Maximising water absorption.
        • Deep roots -  underground water.
        • Extensive roots absorb water quickly.
    • Arctic Animals.
      • Small surface area compared to volume.
        • Reduces heat loss.
      • Well insulated.
        • Thick hairy coats.
        • Blubber.
        • Greasy fur.
      • Camouflage.
        • Avoid predators.
        • Sneak up on prey.

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