Question

Members of phylum Porifera are

• A. Exclusively marine animals
• B. Exclusively fresh water animals
• C. Mostly fresh water animals but few are marine animals
• D. Mostly marine animals but few are fresh water animals

Answer 1

Answer: (D)

Mostly marine animals but few are fresh water animals

• Members of phylum Porifera are commonly known as sponges.
• They are mostly marine, and asymmetrical animals, but few are freshwater animals.
• Spongilla is a freshwater sponge.

So, the correct answer is option D.