Unlike Most Invertebrate Phyla,the Nerve Cord of Chordates Is Single,tubular,and

question 22

Short Answer

Unlike most invertebrate phyla,the nerve cord of chordates is single,tubular,and located ___________ to the alimentary canal.

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Definitions:

Construct Validity

The extent to which a test accurately measures the theoretical, non-observable construct or trait it is intended to assess.

Correlation

A statistical measure that describes the extent to which two variables change together.

Concurrent Validity

Refers to the extent to which the results of a particular test or measurement correspond to those of a previously established measurement for the same construct.

Error Of Measurement

The difference between a measured value and the true value due to limitations in measurement accuracy or technique.