In the system used to classify all organisms, which of the following is true?All groups have the same number of organisms. Organisms in the same group have similar characteristics. The largest groups have the most important animals. Organisms are placed in groups by how big they are.

B. Organisms in the same group have similar characteristics.

Explanation:

I am 100% sure. Hope this helps! Please give brainiest!

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.

answerhomologous structures;