Archaea are single-celled organisms that lack a nuclei and release methane as a product of metabolism. Bacteria are single-celled organisms that lack a nucleus, mitochondria, chloroplasts, golgibodies and ER.

An ionic bond is a chemical bond between two dissimilar (i.e. a metal and a non-metal) atoms in which one atom gives up an electron to another. A covalent bond is another strong chemical bond. It takes place...

Bison are large bovidae animals that are native to Europe and Americas. The African Buffalo is a large bovidae animal that is native to Africa. These two animals differ in diet, height, weight and many other...

Bison and Water buffalo are two different types of bovidic animals. However, they differ in looks, size, weight, behavior, diet and many other factors.

Atomic mass is simply the mass of a specific isotope, or the combined mass of the atom’s protons, neutrons and electrons. Atomic number is the number of protons that is found in a nucleus of an element.