Goal-Oriented Entities Billions of Tons 5 × 1030 bacteria 400 Plants 400 1015 mesophelagic fish 10 1.3 × 109 cows 0.5 7 × 109 humans 0.4 1014 ants 0.3 1.7 × 106 whales 0.0005 Concrete 100 Steel 20 Asphalt 15 1.2 × 109 cars 2 Table 7.1: Approximate amounts of matter on Earth in entities that are evolved or designed for a goal. Engineered entities such as buildings, roads and cars appear on track to overtake evolved entities such as plants and animals.
