Cells fall into two broad categories depending on weather they

The basic functional and structural elements of the organism is called a cell. It is the smallest unit of body organization.

Cells fall into two general classifications depending on whether they include a nucleus or not.

According to this broad division can be of two types namely prokaryote and eukaryote.

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Cells fall into two broad categories depending on whether they have a nucleus or not.

Explanation:

Cells can be divided into two broad categories which are prokaryotic cell and eukaryotic cell.

A prokaryotic cell can be described as a cell which lacks a nucleus and other membrane-bounded organelles. For example, the bacterial cell lacks a nucleus and other membrane-bound organelles. Its genetic material is dispersed in the cytoplasm.

A eukaryotic cell can be described as a cell which has a nucleus and other membrane-bound organelles. For example, the cell of a human.

a fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis.[1] the age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years.[2] fossil fuels contain high percentages of carbon and include petroleum, coal, and natural gas.[3] other commonly used derivatives include kerosene and propane. fossil fuels range from volatile materials with low carbon to hydrogen ratios like methane, to liquids like petroleum, to nonvolatile materials composed of almost pure carbon, like anthracite coal. methane can be found in hydrocarbon fields either alone, associated with oil, or in the form of methane clathrates.

the theory that fossil fuels formed from the fossilized remains of dead plants by exposure to heat and pressure in the earth's crust over millions of years was first introduced by andreas libavius "in his 1597 alchemia [alchymia]" and later by mikhail lomonosov "as early as 1757 and certainly by 1763".[4] the first use of the term "fossil fuel" was by the german chemist caspar neumann, in english translation in 1759.[5]

in 2017 the world's primary energy sources consisted of petroleum (34%), coal (28%), natural gas (23%), amounting to an 85% share for fossil fuels in primary energy consumption in the world.[6] non-fossil sources in 2006 included nuclear (8.5%), hydroelectric (6.3%), and others (geothermal, solar, tidal, wind, wood, waste) amounting to 0.9%.[7] world energy consumption was growing at about 2.3% per year. in 2015 about 18% of worldwide consumption was from renewable sources.[8]

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