6 Questions
What is the main reason why Porifera are referred to as sedentary animals?
They are always attached to a substratum
What is the function of ostia and oscula in Porifera?
Respiration
Which special types of cells are found in Porifera that aid in feeding?
Collar cells
How do Porifera reproduce asexually?
By budding
What are spicules in Porifera primarily made up of?
Calcium carbonate or silica
Why do most Porifera exhibit an asymmetrical body shape?
As an adaptation to their sessile lifestyle
Test your knowledge on Porifera, also known as sponges, which have the simplest body plan in the animal kingdom. Learn about their unique characteristics, aquatic habitat, and special cells like collar cells. Explore why they are considered sedentary animals due to their attachment to substratum.
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