text: These ecosystems were the subject of Lindeman and Hutchinson's trophic dynamics models.
full_question: These ecosystems were the subject of Lindeman and Hutchinson's trophic dynamics models. One of these ecosystems was the source of the GJAF-1 bacterium that was thought to be able to subsist on arsenic. These ecosystems, which are classified as lentic as opposed to lotic, can contain low-diversity profundal zones. These systems eject carbon dioxide in limnic eruptions. In North America, one of these ecosystems is being invaded by zebra mussel. Bull sharks can survive in one of these bodies of water in Nicaragua. For 10 points, name these freshwater aquatic environments, which include "Great" ones named Michigan and Superior.
first_sentence: These ecosystems were the subject of Lindeman and Hutchinson's trophic dynamics models.
raw_answer: lakes [or ponds; accept Lake Mono]