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Encyclopedia of Biodiversity
GLOSSARY energy The capacity to perform work. Potential energy is this capacity stored as position (e.g., in a gravitational or electromagnetic field) or as structure (e.g., chemical or nuclear bonds). Kinetic energy is this capacity as manifested by the motion of matter. The joule (J) is the common SI unit of energy, where 1 J equals the amount of energy required to increase by one Kelvin the temperature of one gram of water. Other units include kilocalories (kcal), kilowatthours (kWh), anddoi:10.1016/b978-0-12-384719-5.00242-2 fatcat:dibsy7po6reevlnq7dh4h6duiy