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Calcium Cycle. By: Chaney Durham and Brittany Ford. From the biosphere…. Calcium enters from biosphere in dust or from organisms Like phosphorous, there is no gaseous state so it does not stay in the atmosphere When animals die, the calcium in their bodies are decomposed and go into soil.

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calcium cycle

Calcium Cycle

By: Chaney Durham and Brittany Ford

from the biosphere
From the biosphere…
  • Calcium enters from biosphere in dust or from organisms
  • Like phosphorous, there is no gaseous state so it does not stay in the atmosphere
  • When animals die, the calcium in their bodies are decomposed and go into soil
in the soil
In the soil…
  • Water can carry calcium to or from soil through weathering
  • When in the soil, calcium is in an insoluble form until it is broken down by microbes into a usable form
  • Mineralization can store calcium in rocks
  • Calcium can be returned from root leakage
  • Calcium can be absorbed by plant roots
in plants
In plants…
  • When absorbed by plants, calcium is now in an organic state
  • The calcium can continually be recycled between the plant roots and soil
  • OR herbivores can eat the plants or drink the water and the calcium returns to the biosphere
  • If the plant or animal dies, decomposers break down the organism and calcium is returned to water or soil
importance to life
Importance to Life
  • Calcium is a mineral necessary for life
  • In early life, calcium helps build strong bones and teeth
  • Helps with muscle contraction and other body processes
  • Plants need calcium to help in cell wall development and their metabolism; stronger cell walls protect from pathogens
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