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

all of these
Apicomplexa
Sarcomastigophora
Microspora

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Protozon
Holozoic nutrition is characterized by

phagocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles
photosynthesis
phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
pinocytosis of solid nutrients and subsequent formation of phagocytic vacuoles

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

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

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