Particles are collected at choanocytes which absorbs the particles through ___________.
Phagocytosis
Choanocytes are specialized cells found in some aquatic animals such as sponges. They help in the filtration of food particles from water. When water passes through the sponge body, food particles are trapped in the choanocyte collar which consists of microvilli (finger-like projections) that capture the food particles. These microvilli create a current that moves water towards the center of the collar where the food particles are absorbed through phagocytosis, a process in which the food is engulfed and pulled into the cell. The engulfed food particles are then digested into smaller soluble molecules that can be absorbed by other cells in the sponge’s body for growth and energy. Overall, choanocytes play a vital role in the feeding and nutrient uptake of sponges.
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