Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

Which of the following best describes the feeding mechanism of sponges (Porifera)?
Options
A Phagocytosis by epidermal cells
B Water filtration through choanocytes
Correct Answer
C Extracellular digestion
D Radula scraping
Correct Answer

Option B is the correct answer.

Detailed Explanation

Sponges are filter feeders. Choanocytes (collar cells) create water currents and capture food particles, which are then phagocytosed and digested intracellularly.

Hint

These cells closely resemble the protists that likely gave rise to animals.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 59 of 2214
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