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प्रश्न
Spongilla bears numerous pores on their body. What are those pores called?
उत्तर
Numerous pores on the body of Spongilla are called as Ostia and Oscula.
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संबंधित प्रश्न
Answer the question by choosing correct option.
Which special cells are present in the body of sponges (Porifera)?
According to the course of animal evolution, which phylum is at the lowest level?
Through which hole the animals in this phylum take water in their body?
Write a short note.
Collar cells
True (or) False. If false write the correct answer.
Classification helps to know the origin and evolution of an organism
The skeletal framework of Porifera is ______.
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Identify a member of porifera
The skeletal framework of the phylum Porifera is made up of ______.
A true body cavity is located within ______.
Tissue organization can be seen in phylum Porifera.
Name the locomotory organs seen in phylum protozoa.
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Classification of phylum Porifera is primarily based on
Given below are types of cells present in some animals. Which of the following cells can differentiate to perform different functions?
Match the column A with column B and choose the correct option
| Column I | Column II |
| A. Porifera | i. Canal system |
| B. Aschelminthes | ii. Water-vascular system |
| C. Annelida | iii. Muscular pharynx |
| D. Arthropoda | iv. Jointed appendages |
| E. Echinodermata | v. Metameres |
Name the asexual reproductive structures of Sponges.
