Protozon
Members of which phylum of Protozoa are being considered as biological control agents for certain insects?

Sarcomastigophora
Microspora
Apicomplexa
all of these

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Protozon
Which of the following describes the function of a phagocytic vacuole?

Contain specific enzymes that perform various functions
Structures that accept male gametes during sexual reproduction
Sites of food digestion
Maintain osmotic balance by continuous water expulsion

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