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Search Results for biogeochemical - All Grades

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Grade 9 Biogeochemical Cycles
The biogeochemical cycles do NOT include
  1. cycles caused by human activity.
  2. geological processes.
  3. the destruction of nutrients.
  4. chemical and physical processes.
Grade 9 Biogeochemical Cycles
Which biogeochemical cycle is illustrated?
Carbon Cycle With Text Labels
  1. carbon
  2. nitrogen
  3. phosphorus
  4. water
Grade 9 Biogeochemical Cycles
Which is not one of the four biogeochemical cycles?
  1. carbon
  2. nitrogen
  3. oxygen
  4. phosphorus
Grade 9 Biochemical Pathways
A sequence of chemical reactions that leads to a particular result in a living cell is called
  1. cellular respiration.
  2. photosynthesis.
  3. a biochemical pathway.
  4. biogeochemical cycling.
Grade 9 Biogeochemical Cycles
Where are all the elements found?
  1. in ecology
  2. in the biosphere
  3. in biochemical pathways
  4. in the biogeochemical cycles
Grade 10 Biotic and Abiotic
Essential materials for growth and reproduction are examples of                        .
  1. limiting factors.
  2. tolerance.
  3. atmospheric factors.
  4. biogeochemical factors.
Grade 10 Food Chains and Webs
The total amount of living tissue at each trophic level in an ecosystem can be shown in a(n)
  1. biogeochemical cycle.
  2. energy pyramid.
  3. pyramid of numbers.
  4. biomass pyramid.
Grade 10 Biogeochemical Cycles
Nutrients move through an ecosystem in
  1. energy pyramids.
  2. ecological pyramids.
  3. biogeochemical cycles.
  4. the water cycle.
Grade 10 Biogeochemical Cycles
How do nutrients move through an ecosystem?
  1. biogeochemical cycles
  2. water cycles
  3. ecological pyramids
  4. energy pyramids
Grade 11 Biogeochemical Cycles
Grade 10 Biogeochemical Cycles
Grade 10 Ecology
Which statement is NOT true about matter in the biosphere?
  1. Biogeochemical cycles transform and reuse molecules.
  2. Matter is recycled in the biosphere.
  3. Water and nutrients pass between organisms and the environment.
  4. The total amount of matter decreases over time.
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