Question Detail

BIO 102 Unique characteristics of animals 1 Objective Question
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Question

Which unique feature in Phylum Porifera is responsible for water circulation, filter-feeding, and gas exchange?
Options
A Cnidocytes
B Water vascular system
C Canal system
Correct Answer
D Gastrovascular cavity
Correct Answer

Option C is the correct answer.

Detailed Explanation

The document states under 'Phylum Porifera (Sponges)' that 'Canal system: Pores (ostia) and canals for water circulation, filter-feeding, gas exchange.' This system is crucial for their sessile lifestyle and nutrient acquisition.

Hint

Think about how sponges acquire nutrients and oxygen from their aquatic environment.

Question Info

Course: BIO 102
Topic: Unique characteristics of animals 1
Type: Objective
Difficulty: Not specified
Question 759 of 802
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