Choanocytes are a. a group of protists that are believed to...

Name: Problem 1, Chapter 34: Biology
Uploaded: 2021-07-26T18:36:32-08:00
Duration: 1 min 13 s
Channel: Christina Sorrentino
Description: Choanocytes are a. a group of protists that are believed to have given rise to animals. b. specialized cells of sponges that function to trap and eat small particles. c. cells that make up the gelatinous layer in sponges. d. cells of sponges that function to transfer nutrients to other cells. e. cells that form spicules in sponges.

Choanocytes are a. a group of protists that are believed to have given rise to animals. b. specialized cells of sponges that function to trap and eat small particles. c. cells that make up the gelatinous layer in sponges. d. cells of sponges that function to transfer nutrients to other cells. e. cells that form spicules in sponges.

Choanocytes are
a. a group of protists that are believed to have given rise to animals.
b. specialized cells of sponges that function to trap and eat small
particles.
c. cells that make up the gelatinous layer in sponges.
d. cells of sponges that function to transfer nutrients to other cells.
e. cells that form spicules in sponges.

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Key Concepts

Filter Feeding

Filter feeding is a nutritional strategy used by many aquatic organisms, including sponges, where small particles suspended in water are captured and ingested. In sponges, choanocytes generate water flow and trap food particles, making them essential to the organism’s feeding mechanism.

Cellular Specialization in Simple Animals

In simple animals like sponges, cellular specialization allows for division of labor where distinct cell types perform unique functions. Choanocytes exemplify this specialization by being dedicated to tasks such as water circulation and nutrient acquisition, highlighting how even basic multicellular organisms optimize survival through cellular differentiation.

Choanocytes

Choanocytes are specialized, flagellated cells found in sponges that possess a collar of microvilli surrounding a single flagellum. These cells are crucial for creating water currents that drive water into the sponge’s body, facilitating the capture of food particles.

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