[坎贝尔生物学 第1450页] Campbell Biology 12th Edition

in carbon cycle, 1250f primary, 1240f, 1246, 1247f, 1248 secondary, 1240f, 1246, 1247f, 1248 tertiary, 1240f, 1246, 1247f, 1248 Consumption, regulation of anima