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Seventh Grade (Grade 7) Communities, Populations, and Ecosystems Questions

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Grade 7 Communities, Populations, and Ecosystems
A niche does not include                                           .
  1. when and how an organism reproduces
  2. what type of food an organism eats
  3. how an organism obtains its food
  4. physical conditions it requires to survive
  5. what the organism smells like
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Communities, Populations, and Ecosystems
What is an ecosystem?
  1. A biological community of interacting organisms and their physical environment
  2. All abiotic factors within a specified area
  3. All biotic factors within a specified area
  4. An area of land where no human has been
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Communities, Populations, and Ecosystems
What is a community?
  1. A habitat with abiotic factors added
  2. A really small habitat
  3. All biotic factors in a specific area
  4. All the different populations that live together in an area
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Communities, Populations, and Ecosystems
What is the meaning of a limiting factor?
  1. Any part of the living environment that decides whether or not an organism survives.
  2. Any part of the living and non-living environment that decides whether or not an organism survives.
  3. Any part of the non-living environment that decides whether or not an organism survives.
  4. A mountain, ocean, river or other landform that blocks an organism from moving to another ecosystem.
Grade 7 Communities, Populations, and Ecosystems
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