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.
Metric units of mass. Mass is used to measure the weight of an object. For example, you are measuring the mass of your body when you step on to a scale. In the metric system of measurement, the most common units of mass are the gram and kilogram. How much is a gram? A small paperclip has a mass of about 1 1 1 1 gram: