For plants to survive in mangrove ecosystems like the Central African mangroves, they must have adaptations that allow them to live in __________ water.

Mangroves grow along coastlines where seawater mixes with fresh water, so the surrounding water is salty. Mangrove plants have adaptations that help them survive in these salty conditions. Therefore, the best answer is salty water.

AI-written and checked against the verified answer.