Because all animals belonging to Felidaeâs sister taxa, Viverridae, have long tails, scientists could infer that this character state represents the ancestral trait. Some domestic cats display a rosette pattern on their coats.
measurement system: The metric system of measurement. For a time, the international prototype metre and kilogram were based, for convenience, on the archive standards rather than directly on actual measurement of Earth.
The metric unit system is easy to handle because everything is a multiple or a fraction of ten. There is a base unit for each type of measurement, such as meter (abbreviation m) for length, gramm (abbreviation g or gr) for weight or liter (abbreviation l or lt) for volume. Ten base units have the prefix deka (which is however rarely used), for example 1 dekameter (Dm) equals to 10 meters.