Wetlands provide habitats for many living things because of their sheltered waters and what?

Wetlands provide habitats for many living things because of their sheltered waters and abundance of food.

Wetlands are important ecosystems that provide a variety of habitats for plants and animals. They are often called "nature's kidneys" because they help to filter pollutants from water. Wetlands also play an important role in flood control and provide a source of food and shelter for many animals.