Select the word that best matches each definition.
A wetland area with no trees.
An area where freshwater from rivers flows into an ocean creating a mix of freshwater and saltwater.
To try to lessen the severity of a problem.
A species that naturally lives and thrives in a particular community.
Wetland areas that contain trees
An organism that is non native to an area and causes ecological or economic damange in the new environment.
An area of land that is frequently underwater or whose soil contains a great deal of moisture.
The largest population that an ecosystem can support over a long period of time.
The ability to withstand or recover from difficult conditions quickly.
An environmental factor that limits the growth or activities of an organism or population.