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G6 Ch4 L1.1 Earth's Ecosystems and Cycles

  •  English    10     Public
    Week 19 McGraw-Hill Science for ESL students.
  •   Study   Slideshow
  • What makes up an ecosystem?
    Biotic and abiotic factors (living and nonliving things).
  •  10
  • Describe the ways in which a system in your community depends on the interaction of many of its parts.
    Wow you really know your stuff! / Sorry, we were looking for...
  •  25
  • What is a population in an ecosystem? Support your answer with an example.
    All organisms of the same kind that live in a particular area.
  •  15
  • What is a community in an ecosystem? Support your answer with an example.
    Wow you really know your stuff! / Sorry, we were looking for...
  •  15
  • Give two examples of each of biotic and abiotic factors.
    Wow you really know your stuff! / Sorry, we were looking for...
  •  10
  • How do plants release water?
    Transpiration.
  •  10
  • What roles do plants and animals play in the oxygen–carbon dioxide cycle?
    Wow you really know your stuff! / Sorry, we were looking for...
  •  25
  • Choose one of the three types of bacteria involved in the nitrogen cycle that hasn't been chosen yet and explain its function.
    (1) fixers; (2) nitrifying; (3) denitrifying.
  •  20
  • Choose one of the three types of bacteria involved in the nitrogen cycle that hasn't been chosen yet and explain its function.
    (1) fixers; (2) nitrifying; (3) denitrifying.
  •  20
  • Choose one of the three types of bacteria involved in the nitrogen cycle that hasn't been chosen yet and explain its function.
    (1) fixers; (2) nitrifying; (3) denitrifying.
  •  20