Living things+ Nonliving things  ECOSYSTEM
Living things inan ecosystem arecalled a… COMMUNITY
Population Population+ PopulationCOMMUNITY
All energy in afood web comesfrom the…
What makes ecosystems different?1         Amount of water2            Amount of sunlight      3              Type of soil
Name the three members inevery community. Producers    Consumers             Decomposers
What causes ecosystems to change?         Natural causes:1        Drought                   2         Disease3         Fir...
What causes ecosystems to change?        Changes caused by humans:1             Water pollution                           ...
How can humans help to prevent    changes in ecosystems?1          Use resources wisely                                 2L...
Ecosystems
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Ecosystems

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Transcript of "Ecosystems"

  1. 1. Living things+ Nonliving things ECOSYSTEM
  2. 2. Living things inan ecosystem arecalled a… COMMUNITY
  3. 3. Population Population+ PopulationCOMMUNITY
  4. 4. All energy in afood web comesfrom the…
  5. 5. What makes ecosystems different?1 Amount of water2 Amount of sunlight 3 Type of soil
  6. 6. Name the three members inevery community. Producers Consumers Decomposers
  7. 7. What causes ecosystems to change? Natural causes:1 Drought 2 Disease3 Fire 4 Overpopulation
  8. 8. What causes ecosystems to change? Changes caused by humans:1 Water pollution 2 Air pollution 3 Land pollution 4 Construction
  9. 9. How can humans help to prevent changes in ecosystems?1 Use resources wisely 2Laws that control pollution3 Clean up litter 4Keep rivers and lakes clean
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