Protozoa are primarily

A) free-living.
B) pathogenic.
C) parasitic.
D) photosynthetic.


Ans: A) free-living.

Biology & Microbiology

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Chlamydia trachomatis is the most prevalent single cause of blindness resulting from an infectious agent.

Answer the following statement true (T) or false (F)

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Drier climates tend to prevail:a

on the windward side of mountains. b. in a rain shadow. c. close to the coast of the continent. d. in temperate regions. e. only in the northern hemisphere

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A clone is a 

A. species. B. mutation. C. new kind of organism. D. genetically distinct population.

Biology & Microbiology

Which species of Staphylococcus is one of the most important human pathogens?

A. Staphylococcus luteus B. Staphylococcus aureus C. Staphylococcus mucilaginosus D. Staphylococcus intermedius

Biology & Microbiology