Exam 26: Coastal and Wetland Ecosystems

Wetlands in which considerable amounts of water are retained by an accumulation of partially decayed organic matter are referred to as ________.

Organisms living on the sediment surface of sandy and muddy beaches are collectively referred to as ________.

Tiny organisms living between the particles of sand and mud on beaches are collectively referred to as ________.

The root extensions of mangroves are called ________.

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

Mangrove swamps

Peatlands differ from other wetlands in that

The ________ zone of a rocky shoreline is submerged and exposed by tides daily.

In comparison to rocky coasts,intertidal organisms living on sandy or muddy beaches

A salt ________ refers to a herbaceous plant community thriving in the intertidal zone,typically along the fringe of estuaries and islands along the coast at temperate latitudes.

Which of the following mismatches a wetland with its location?

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

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

The duration,frequency,depth,and season of flooding of a freshwater period are collectively referred to as the ________.

Wetlands subjected to a long hydroperiod support more submerged and deep-water emergents than wetlands with a shorter hydroperiod.

The diversity of organisms is greater in the intertidal zone of rocky shores than in sandy and muddy shores.

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

Riverine wetlands act as natural flood-control reservoirs.

Herbaceous vegetation such as reeds,sedges,grasses,and cattails typically grow in freshwater

Seasonally flooded,forested wetlands along river systems are referred to as bottomlands or ________ woodlands.