Complex sentence: As the fresh water from Lake Okeechobee makes its way to Florida Bay, it meets salt water from the Gulf of Mexico; mangrove forests grow in this transitional zone, providing nursery and nesting conditions for many species of birds, fish, and invertebrates.
Split into simpler sentences: As the fresh water from Lake Okeechobee makes its way to Florida Bay, it meets salt water from the Gulf of Mexico. Mangrove forests grow in this transitional zone, providing nursery and nesting conditions for many species of birds, fish, and invertebrates.