Which of the following statements is FALSE?
◦ Ecologists use models to represent relationships between biogeochemical cycles and most ecosystems.
◦ The physical environment has virtually no reservoir for most elements.
◦ Inputs from the physical environment and recycling made possible by decomposers and detritivores maintain the nutrient reserves in an ecosystem.
◦ In most major ecosystems, the amount of nutrients that is cycled within the ecosystem is greater than the amount entering or leaving the ecosystem in a given year.
◦ Once elements are in the biological compartments of the biogeochemical cycles, they are unlikely to leave until the organism dies.