What is the matching term for the habitat associated with water?

The term that best matches the habitat associated with water is "aquatic." Aquatic habitats specifically refer to environments that are dominated by water, which can include freshwater systems like rivers, lakes, and wetlands, as well as marine systems such as oceans and estuaries.

Understanding the significance of aquatic habitats is essential in ecology and conservation, particularly for organizations like Ducks Unlimited that focus on the preservation of wetland ecosystems for waterfowl and other wildlife. These habitats play a crucial role in supporting biodiversity, providing breeding grounds, shelter, and sources of food for various species.

Other options refer to different types of habitats. Terrestrial habitats are land-based and do not focus on the presence of water. Arid and desert both describe extremely dry environments with limited water availability, which is opposite to the concept of an aquatic habitat. Thus, "aquatic" is the clear and correct choice in this context, highlighting the importance of water-rich ecosystems.