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1-2 REVISION: UNIT 3 SCIENCE

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  • The element that breaks down the ozone molecule.
    Chlorine or Bromine
  • How does carbon dioxide contribute to global warming?
    It can worsen the effect of greenhouse
  • “Taking care of the environment, and helping other species to survive is called conservation.” What does conservation mean?
    saving one type of species/ protecting the natural environment/ saving the animals and plants in their habitats
  • How does the producer get their energy?
    From the sun (Photosynthesis)
  • Name a pollutant that causes acid rain. Except for Carbon Dioxide
    Sulfur Dioxide, Nitrogen Dioxide, Carbon Monoxide, etc
  • .
    TRUE
  • .
    a
  • What is the main job of the ozone layer?
    To protect us from harmful UV radiation
  • Give an example of human activities that harm living organisms.
    Hunting, Overfishing, Farming, Introducing new Species. Etc.,
  • Owl
    claws
  • Why do some plants trap insects?
    To provide nutrients/ The soil where it grows have poor nutrients.
  • .
    a
  • What is CFC?
    Chlorofluorocarbon/ Harmful chemical for the ozone molecules
  • How do consumers get their energy?
    By eating or consuming other organisms
  • How high is the Ozone layer?
    25km Between 15-35km, Stratosphere
  • .
    structural adaptation
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