What was a major morphological criterion on which traditional classification of animals was based?
A. presence or absence of specialized cells.
B. presence or absence of a true body cavity.
C. presence or absence of genetic material.
D. basic pattern of cell division.
E. presence or absence of cell wall.
Answer: B
Biology & Microbiology
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A ________ is a circular ocean current caused by wind and the presence of continents
Fill in the blank(s) with correct word
Biology & Microbiology