5 Questions
What is the defining cell type in poriferans?
Choanocyte
What is the large central cavity in sponges lined with?
Chondrocytes and other cells
What are the two types of pores in sponges and what are their functions?
Oscula (water outlets) and ostia (water inlets)
How do sponges facilitate the movement of water for feeding, excretion, and gas exchange?
Their body structure
What are the three methods of reproduction in sponges?
Fragmentation, Budding, Formation of gemmules
Test your knowledge about poriferans with this quiz on the simplest invertebrates. Explore their defining cell type, body structure, reproduction methods, and more. Learn about the at least 5,000 named species of sponges and their role in aquatic ecosystems.
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