原题
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.
参考答案：n ed scopic ke nd rbing ients em all re
解题思路
老师暂未填写解题思路。