It is said that elemental composition of living organisms and that of inanimate objects (like earth's crust) are similar in the sense that all of the major elements are present in both. Then what would be the difference between these two groups? Choose a correct answer from among the following.
Text Solution
Verified by ExpertsAll living organisms and non-living matter in our biosphere are made of similar elements and compounds. Several researches performed on plants, animals and microbes confirmed that a relative abundance of organic compound, i.e., carbon, hydrogen and oxygen in living organisms than in the earth's crust (non-living matter).
Whereas, the percent composition of other inorganic molecules like calcium and gold is more in earth's crust as compared to living matter.
Representation of inorganic constituents of lining tissues.
Element | % Weight in | |
Earth's Crust | Human Body | |
Hydrogen (H) | 0.14 | 0.5 |
Carbon (C) | 0.03 | 18.5 |
Oxygen (O) | 46.6 | 65.5 |
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