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1. What are the 3 affects of Environmental Change?

  • Changes in number of predators, prey and food
  • Changes in the distribution of an organism, mates, amount of food available
  • Population increases/ decreases and changes in the distribution of an organism
  • Population increases/ decreases and amounts of other species
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2. Choose the correct statement

  • Desert animals have shallow but extensive roots to reach water underground
  • Desert animals have thin coats and layers of fat to maximise heat loss
  • Desert animals have thick coats and blubber to reduce heat loss
  • Desert animals have a small surface area compared to volume

3. Define Distribution Of An Organism

  • The population of an organism
  • An increase in non living factors
  • Where an organism lives
  • How many organisms there are

4. What do animals need to survive?

  • Mates, Water, Territory (space)
  • Territory (space), Food sources or Prey, Mates
  • Light, Food sources or Prey, Territory (space)
  • Water, Oxygen, Light

5. What can different species of lichen help us identify?

  • Amount of air pollution (Sulphur Dioxide)
  • Amount of water pollution
  • Amount of dissolved oxygen in water
  • The temperature of sea surfaces


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