Exam 25: Coastal and Wetland Ecosystems

Peat bogs and mires generally form under ________ conditions.

In tidal pools,carbon dioxide concentrations are higher during the day than during the night.

The installation of tile drainage systems on farms removes wetlands from the Midwestern landscape.This with the loss of coastal marshes in the South are dramatically impacting

On rocky shores,shallow pools produced by ebbing tides maintain the same temperature and salinity as the open ocean.

What is formed when an accumulation of peat rises above the surrounding landscape?

All coastal shores have one feature in common: they are alternately exposed and submerged by the ________.

In tidal pools,

Mangrove swamps

Which zone is also known as the spray zone?

________ are the detrital-feeding organisms responsible for the conspicuous coiled and cone-shaped casts found on sandy beaches.

Peatlands differ from other wetlands in that

The dominant herbivore in prairie marshes is the muskrat (Ondatra zibethicus).

Bacterial decomposition on sandy beaches is most rapid at ________ tide.

The major food sources for both deposit-feeding and filter-feeding organisms are

Intertidal mud flats in tropical regions are typically composed of

A wetland with trees is called a

Which plants are known for their pneumatophores?

The roots of mangrove trees often have extensions called pneumatophores that facilitate oxygen absorption by the roots.

Most organisms in the intertidal zone of sandy shores burrow into the sand.

Ribbed mussels (Modiolus demissus),fiddler crabs (Uca spp.),and marsh periwinkles (Littorina spp.)are the dominant animals of a high salt marsh.