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In aquatic ecosystems, relationships between predator and prey help maintain biodiversity. Large predatory fish like sharks and barracudas regulate populations of smaller fish, preventing ecological imbalance. Smaller fish, i turn, fe on micro organisms li plankton a algae, abso essential nutr from th. When sm fish a eaten by larger predators, the nutrients they've accumulated move up the food chain. This transfer of energy and nutrients supports the entire aquatic ecosystem.
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