2ND TERM NATURAL SCIENCE

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 ECOSYSTEMS



SUMMARY OF ALL THE CONTENTS WE ARE GOING TO STUDY



ELEMENTS OF AN ECOSYSTEM
  





  • ECOSYSTEM= living organisms + physical components
  • Living organisms= animals (fauna), plants ( flora), microorganisms (fungi, bacteria, protists...)
  • Physical components= sunlight, air, water, soil (rocks, minerals), temperature, climate

  • HABITAT= a place where a particular plant or animal grows or lives.
  • POPULATION= group of organisms that belong to the same species.
  • COMMUNITIES= interactions between populations


BIODIVERSITY
 
  


Biodiversity is the variety of living organisms that are present in an ecosystem. Biodiversity creates balance in the ecosystem. A single change in the ecosystem can have an impact on all the organisms with in it. This balance can be affected by:




INTERSPECIES RELATIONSHIPS

FOOD CHAINS AND FOOD WEBS


  






























TYPES OF ECOSYSTEMS
TERRESTRIAL
AQUATIC
ARTIFICIAL 

 



PRACTICE TIME

Game 1








Game 2



Game 3



REVIEW


 



ECOSYSTEMS PROJECT

1. RAINFOREST

  Click here to learn more  HERE  


 2. MEDITERRANEAN FOREST

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3. DESERT ECOSYSTEM

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4. GRASSLAND

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5. TUNDRA

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6. MARINE ECOSYSTEM

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