Estuary: An estuary is a transitional zone where freshwater from rivers meets saltwater from the ocean. It is characterized by fluctuating salinity levels and serves as an important habitat for many species.
Coral Reef: A coral reef is a marine ecosystem formed by colonies of tiny animals called coral polyps. These reefs are known for their high biodiversity and provide shelter for numerous fish species.
Wetland: A wetland is an area where water covers the soil or is present near the surface for at least part of the year. They play a crucial role in flood control, water purification, and providing habitats for various plant and animal species.