The Gibraltar Barbary macaques are considered by many to be the top tourist attraction in Gibraltar. The most popular troop is that of Queen's Gate at the Apes' Den, where people can get especially close to the monkeys.
Dry food items, especially foods that can be poured into specific portions, are often measured in grams. A gram is a measurement of weight or mass within the metric system and can be used to measure anything from cars to water.
Metric Measurement - Weight. When you are done, try the Metric Weight Quiz. The metric measure units of weight are based on the gram. The milligram (mg) is the smallest metric measure of weight and equals 1/1000 of a gram. The centigram (cg) is the next largest unit of weight and equals 1/100 of a gram. The decigram (dg) is the next largest unit of weight and equals 1/10 of a gram.