Protozon
Which of the following is not true of protozoa?

Lack cell wall
Comprise the microbial population known as phytoplankton
Produce no sporebearing structures
Form active feeding forms called trophozoites

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Protozon
Holozoic nutrition is characterized by

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
photosynthesis

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

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

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