Transverse Dunes Are

question 12

Multiple Choice

Transverse dunes are:

• A) crescent- shaped dunes with horns in the upwind direction.
• B) parallel ridges oriented perpendicular to the prevailing wind direction.
• C) parallel ridges oriented parallel to the prevailing wind direction.
• D) complex dunes that form when wind blows from three or more principal directions.

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Definitions:

Polychaete

A member of the class Polychaeta, these are marine annelid worms characterized by their segmented bodies, many with paired, paddle-like appendages called parapodia for movement and breathing.

Oligochaete

A class of annelids comprising earthworms and related species, characterized by having few setae (bristles) per segment.

Bivalvia

Bivalvia is a class of marine and freshwater mollusks with bodies enclosed by a two-part hinged shell, including clams, oysters, mussels, and scallops.

Two Shells

Refers to bivalves, a class of aquatic mollusks with bodies enclosed by a pair of hinged shells.