Which of the following is not true of marshes, swamps, and bogs?
a.
they can be seasonal or permanent.
b.
they have very little groundwater.
c.
they can be very important to migrating animals.
d.
they are considered the most biodiverse ecosystems.

b. They have very little groundwater.

Explanation:

Marshes, swamps and bogs are the wetlands. A wetland is a shallow land area that is either seasonally or permanently occupied with water. The water in such wetlands comes from a melting glaciers, rainfall, river, lakes oceans and agricultural land irrigation. These wetlands does not receive water from groundwater reservoirs but receives water from external water sources.