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Sixth Grade (Grade 6) Ecology Questions

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Grade 6 Food Chains and Webs
Which sequence lists the organisms correctly from the lowest trophic level to highest?
  1. hawk, weasel, chipmunk, seeds
  2. chipmunk, weasel, seeds, hawk
  3. seeds, chipmunk, weasel, hawk
  4. seeds, chipmunk, hawk, weasel
Grade 6 Food Chains and Webs
Which type of organism is not an autotroph?
  1. orange tree
  2. orchid
  3. mouse
  4. grass
Grade 6 Food Chains and Webs
The breakdown of dead materials into carbon dioxide and water is
  1. decomposition.
  2. combustion.
  3. evaporation.
  4. separation.
Grade 6 Conservation and Biodiversity
The vast majority of extinctions are the result of
  1. habitat loss.
  2. temperature change.
  3. natural disasters.
  4. humans.
Grade 6 Food Chains and Webs
What does an omnivore eat?
  1. only plants
  2. only animals
  3. both plants and animals
  4. neither plants or animals
Grade 6 Biotic and Abiotic
Which factors are abiotic? Select all that apply.
  1. trees
  2. rocks
  3. weather
  4. dirt
  5. animals
  6. flowers
  7. sand
  8. buildings
Grade 6 Biomes
A biome where trees keep their leaves all year long is a
  1. grassland.
  2. tropical rainforest.
  3. deciduous forest.
  4. taiga.
Grade 6 Conservation and Biodiversity
Which effect of drought is likely to lead to the extinction of a species of grazing animals?
  1. reduced prey populations
  2. increased volcanic activity
  3. decreased plant growth
  4. increased predator populations
Grade 6 Biomes
What is the biome that includes lakes, rivers, streams, and creeks?
  1. taiga
  2. estuaries
  3. freshwater
  4. marine
Grade 6 Biotic and Abiotic
Which is the best natural cause of population decline in an ecosystem?
  1. air pollution
  2. disease
  3. pesticide
  4. strip mining
Grade 6 Biomes
Which biome has trees that stay green all year round and cold temperatures?
  1. coniferous forest
  2. tropical rain forest
  3. desert
  4. tundra
Grade 6 Food Chains and Webs
A panda is considered a(n)                .
  1. herbivore.
  2. omnivore.
  3. carnivore.
Grade 6 Biomes
The part of Earth that contains living organisms is the
  1. cryosphere.
  2. hydrosphere.
  3. biosphere.
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