Canal system in sponges develop due to which of the following?
Correct answer: C. Folding of inner walls
- A. Porous walls
- B. Reproduction
- C. Folding of inner walls
- D. Gastrovascular system
Explanation
The canal system in sponges develops due to folding of inner walls. Sponges are simple animals that do not have a circulatory system. Instead, they rely on a network of canals to transport water throughout their body. The canals are lined with flagellated cells that create currents that help to circulate the water. The water brings food and oxygen to the sponge's cells and carries away waste products.
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