The Evolutionary Position of Leeches Is Best Described as

question 53

Multiple Choice

The evolutionary position of leeches is best described as

• A) a link between roundworms and segmented worms because they have a fixed number of segments.
• B) closest to the primitive annelid ancestor that later gave rise to all other annelids.
• C) closest to the polychaetes due to their common aquatic life style.
• D) is a monophyletic clade within the Clitellata.
• E) is a paraphyletic group.

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Definitions:

Template Matching

A process in cognitive psychology where a perceived item or stimulus is compared to stored templates or patterns in the mind to recognize and identify it.

Personal Construct Theory

A psychological theory proposing that individuals organize their experiences into a system of personal constructs, which are used to interpret and predict events.

Constructs

Constructs are abstract concepts developed for use in a particular scientific or philosophical context to understand and describe the phenomena of interest.

Impermeable

Something that does not allow fluids or substances to pass through it.