Document Type

Thesis

Publication Date

1995

Disciplines

Biology

Advisor

Elizabeth Wurdak

Abstract

The rotifers, A. brightwelli and A. herricki were surveyed under SEM and TEM. The overall external features were compared under SEM to determine significant differences in morphology. The widths of the coronal surface and midsection were larger in A. herricki than that of A. brightwelli. A. herricki was prepared for view under E M , and integument was compared to A. brightwelli. The integument of A. brightwelli was substantially thicker than that of A. herricki, which disagreed with the hypothesis. Further studies must be conducted to determine the nature of this difference.

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