One of the most commonly used methods of analysing the age of a certain crust is through analysis of its isotropic composition, such as the presence of the elements of tellurium and selenium. However, by general principle, the continental crusts are considered to be much older than the oceanic crusts.
There are two cell divisions in meiosis ( Meiosis 1 and Meiosis 2). It has the same thing as mitosis but it happens twice.
They form muscles, speed up chemical reactions, and perform many other cellular functions. Nucleic acids are organic compounds that include DNA and RNA. DNA contains genetic instructions for proteins, and RNA helps assemble the proteins.
The place where the ancestral linage splits on a cladogram
