Protozon
Protozoa have several types of vacuoles.The function of a contractile vacuole is to

maintain osmotic balance by continuous water expulsion
contain specific enzymes that perform various functions
creates sites of food digestion
have sites for photosynthesis

ANSWER DOWNLOAD EXAMIANS APP

Protozon
A protozoan is defined as

motile eukaryotic multicellular protist
motile prokaryotic unicellular protist
motile eukaryotic unicellular photosynthetic protist
motile eukaryotic unicellular protist

ANSWER DOWNLOAD EXAMIANS APP