Podcast
Questions and Answers
What is the main reason why Porifera are referred to as sedentary animals?
What is the main reason why Porifera are referred to as sedentary animals?
- They are always attached to a substratum (correct)
- They lack the ability to reproduce
- They have a spongy body structure
- They feed on small organisms
What is the function of ostia and oscula in Porifera?
What is the function of ostia and oscula in Porifera?
- Excretion
- Feeding
- Reproduction
- Respiration (correct)
Which special types of cells are found in Porifera that aid in feeding?
Which special types of cells are found in Porifera that aid in feeding?
- Calcium carbonate cells
- Spongin fibres
- Collar cells (correct)
- Spicules
How do Porifera reproduce asexually?
How do Porifera reproduce asexually?
What are spicules in Porifera primarily made up of?
What are spicules in Porifera primarily made up of?
Why do most Porifera exhibit an asymmetrical body shape?
Why do most Porifera exhibit an asymmetrical body shape?
Flashcards
Porifera's attachment
Porifera's attachment
Porifera are always attached to a surface.
Porifera's respiratory function
Porifera's respiratory function
Ostia and oscula facilitate the intake of water and gases.
Porifera's feeding cells
Porifera's feeding cells
Collar cells aid in filter feeding.
Porifera's asexual reproduction
Porifera's asexual reproduction
Signup and view all the flashcards
Spicule composition
Spicule composition
Signup and view all the flashcards
Porifera's body shape
Porifera's body shape
Signup and view all the flashcards
