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

Microspora
Apicomplexa
all of these
Sarcomastigophora

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

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

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Protozon
Holozoic nutrition is characterized by

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

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