10 Questions
What is a characteristic of sponges in terms of feeding mechanisms?
They are suspension filter feeders
Which statement accurately describes the canal system in sponges?
The canal system allows for both ingestion and excretion in sponges
In terms of diversity of sponge body designs, what can be said about sponges with radial symmetry?
They have a simplified body plan compared to asymmetrical sponges
Which type of sponge body design has the fastest water movement due to a reduced spongocoel?
Sycon
Which class of sponges has spicules composed of silica instead of calcium carbonate?
Hexactinellida
Which type of sponge body design is the most complex and largest?
Leucon
What is the primary function of amoebocytes in sponges?
Transporting sperm to eggs during sexual reproduction
Which type of canal system is present in all members of Class Sclerospongiae?
Leuconoid canal system
How do most sponges achieve sexual reproduction?
Internal fertilization with eggs and sperm released into the water
Which material is NOT found in the skeletons of sponges in Class Sclerospongiae?
Keratin proteins
Test your knowledge on the digestive systems of eumetazoans, including the differences between incomplete and complete systems. Learn about the digestive cavity with one or two openings, and explore the characteristics of the phylum Porifera.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
