The human body has many elements in it. It is 65 percent oxygen, 18 percent carbon, 9 percent hydrogen, 3 percent nitrogen, 1.5 percent calcium, 1 percent phosphorous, 0.4 percent potassium, and several other elements.
Insects make up the greatest percentage of the worlds organisms that are classified in each group. With 84 percent of the worlds organisms still to be defined insects are. Under classification "Species" is the group most commonly used.
10%
As mass percentage oxygen is the most abundant.
Hydrogen
Selenium is not a common element but is necessary.
Ar is most abundant in.Its percentage in atmosphere is 0.94%
Carbon, phosphorous, nitrogen, hydrogen, oxygen, sulfur
magnesium
If you ment A living organism, then no it isn't. But I'm sure you ment in living organisms. Then yes, it is an important element found in most organisms and is used for a great range of functions. One example would be pH regulation in the blood, or any other liquid.
Oxygen is a gas that is essential for living organisms to survive. It is a non-metal element and is the third-most abundant element in the universe.
Oxygen was the element missing from Earth's early atmosphere, which eventually accumulated due to early photosynthetic organisms. This change in the atmosphere allowed for the evolution of organisms that rely on oxygen for respiration.
yes