The pores by which the water leaves the body of sponges are called:
Correct answer: D. Osculum
- A. Ostia
- B. Anus
- C. Mouth
- D. Osculum
Explanation
The osculum is a large opening found on the top surface of a sponge (Porifera). It is the main exit through which water, along with waste particles and other substances, is expelled from the sponge after it has been filtered and processed by the internal cells.
Last updated
Related questions
1. Fertilization_. 2. Digestive system_.3. Excretion by_.Fill in the blanks for the organism given in the below figure:
80% of the food of sponges consists of which of the following?
80% of the food of sponges consists of which of the following?
A blue colored respiratory pigment called hemocynanin is found in:
A body cavity completely surrounded by tissue derived from the mesoderm that provides cushioning for internal organs is called