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Seventh Grade (Grade 7) Ecology Questions

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Grade 7 Communities, Populations, and Ecosystems
What is a community?
  1. habitat with abiotic factors added
  2. very small habitat
  3. all the abiotic factors in a specific area
  4. all the different populations that live together in an area
Grade 7 Biotic and Abiotic
Which factor is an abiotic factor?
  1. lion
  2. plant
  3. water
  4. air
  5. c and d
Grade 7 Biotic and Abiotic
Biotic factors are the
  1. non-living parts of an ecosystem.
  2. weather and climate.
  3. living organisms in an ecosystem.
Grade 7 Biomes
What is the Earth's coldest and harshest biome?
  1. rainforest
  2. desert
  3. grassland
  4. tundra
Grade 7 Biotic and Abiotic
Grade 7 Food Chains and Webs
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Biotic and Abiotic
Which sphere includes all the plants and animals on Earth?
  1. lithosphere
  2. stratosphere
  3. biosphere
  4. asthenosphere
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Biotic and Abiotic
Grade 7 Biomes
What part of Earth supports life?
  1. ecology
  2. ecosystem
  3. biotic
  4. biosphere
Grade 7 Food Chains and Webs
Which tool shows the amount of energy available at each feeding level?
  1. food web
  2. food chain
  3. energy pyramid
  4. food pyramid
Grade 7 Biogeochemical Cycles
Which process is NOT a way that carbon in dead organisms is returned to the carbon cycle?
  1. becoming fossil fuel
  2. combustion
  3. decomposition
  4. photosynthesis
Grade 7 Food Chains and Webs
In an energy pyramid, which level has the most available energy?
  1. producer
  2. 1st-level consumer
  3. 2nd-level consumer
  4. 3rd-level consumer
Grade 7 Communities, Populations, and Ecosystems
Grade 7 Food Chains and Webs
The many overlapping food chains in an ecosystem make up a(n)
  1. food web.
  2. niche.
  3. energy pyramid.
  4. feeding level.
Grade 7 Biogeochemical Cycles
Which two cycles depend on photosynthesis for part of the recycling process?
  1. carbon and oxygen
  2. water and nitrogen
  3. water and oxygen
  4. carbon and nitrogen
Grade 7 Food Chains and Webs
Animals that eat the bodies of already-dead animals are
  1. herbivores.
  2. scavengers.
  3. prey.
  4. predators.
Grade 7 Food Chains and Webs
How do animals obtain the carbon used in cellular processes?
  1. breathing in carbon dioxide
  2. eating plants or other animals
  3. photosynthesis
  4. carbon fixation
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