They respond to danger by diving rather than flying, and are in any case much less wary than ducks. Extant species range in size from the least grebe, at 120 grams (4.3 oz) and 23.5 cm (9.3 inches), to the great grebe, at 1.7 kg (3.8 lbs) and 71 cm (28 inches).hey respond to danger by diving rather than flying, and are in any case much less wary than ducks. Extant species range in size from the least grebe, at 120 grams (4.3 oz) and 23.5 cm (9.3 inches), to the great grebe, at 1.7 kg (3.8 lbs) and 71 cm (28 inches).
Noun. 1. productivity-the quality of being productive or having the power to produce. productiveness. fruitfulness, fecundity-the quality of something that causes or assists healthy growth.
LABOUR PRODUCTIVITY AND UNIT LABOUR COST Economic development Employment Core indicator 1. INDICATOR (a) Name: Labour productivity and unit labour costs. (b) Brief Definition: Labour productivity is defined as output per unit of labour. The Key Indicators of Labour Markets (KILM) distinguish five different categories.