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Looking at living things
LIFE PROCESSES Looking at living things
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Learning Target All organisms must contain parts to carry out all life functions.
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Life Functions MRS GREN M: Movement R: Respiration S: Sensitivity
G: Growth R: Reproduction E: Excretion N: Nutrition
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Movement All living organisms move to: Find shelter
Escape from predators and other danger Find food Find a mate
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Respiration The release of energy from glucose or another organic chemical in our cells. This is how living organisms make energy from glucose.
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Sensitivity All organisms respond to their environment.
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Growth All organisms grow from a baby to an adult. (Could you imagine a baby being born the size of an adult? I don’t think so!!)
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Reproduction Making more of ourselves
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Excretion Getting rid of the poisonous waste products produced by chemical reactions in our bodies. We do this by breathing out carbon dioxide and urinating.
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Nutrition We need materials for: Growth Repair Energy
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How do you know “it”s alive?
In order to be considered living – the organism must possess all of the life functions (MRS GREN)
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Dead or Alive?
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Dead or Alive??
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Dead or Alive?
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Dead or Alive?
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Dead or Alive?
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Dead or Alive? (Amoeba)
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Dead or Alive?
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Dead or Alive?
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Dead or Alive?
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