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Biochemical Cycles Review

Horizontales
Percent of calcium in the human body is in the skeleton
an essential element, being a constituent of many proteins and cofactors.
________ of potassium can lead to potassium-deficient soils that constrain the growth of plants and animals.
________ is present in cells throughout the human body.
In the calcium cycle, calcium passes through the _____.
In the human body, the oxygen is absorbed by the ______ ______.
a pathway by which a chemical substance moves through both biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) components of Earth. (2 words)
Sulfur is then passed up the ____ ______ and assimilated by plants and animals, and released when they decompose.
Verticales
some specialized bacteria can perform __________ entirely using sulfur.
When magnesium is absent in plants, the plants will develop a deficiency called _______.
Plants absorb ____ through their roots.
Potassium is the _th most abundant element in earth’s crust.
During the ________ cycle, fertilizer, lime, and shells are transformed into minerals and soil microbes by moisture, dissolution, mining, and weathering
If _______ was absent from the environment everyone would get sunburns.