The Polychaetes

question 35

Multiple Choice

The polychaetes

• A) belong to the smallest and most evolutionarily derived class of annelids.
• B) are mostly freshwater inhabitants.
• C) are mostly terrestrial, living in moist soil.
• D) consist of active predators and sedentary particle feeders.
• E) cannot tolerate brackish or marine salinity.

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Definitions:

Pegmatite Crystals

Exceptionally large crystals that form within pegmatite rock, a very coarse-grained igneous rock, often found in cavities that allow for their unobstructed development.

Hot Waters

Water that has been heated naturally or artificially, often found in geothermal springs or produced by water heating systems.

Dam

A barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water supply.

Fractured Rocks

Rocks that have been broken or cracked due to various geological processes, often creating pathways for fluid movement.