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.
Productivity. Productivity is a measure of a company's effectiveness in converting inputs into outputs. It is broadly defined as, An output is the final product from a service or production process, such as an automobile, a hamburger, a sale, or a catalog order.Inputs are the parts, material, labor, capital, and so on that go into the productive process.roductivity. Productivity is a measure of a company's effectiveness in converting inputs into outputs. It is broadly defined as, An output is the final product from a service or production process, such as an automobile, a hamburger, a sale, or a catalog order.