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प्रश्न
According to the course of animal evolution, which phylum is at the lowest level?
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उत्तर
Phylum Porifera
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संबंधित प्रश्न
Identify me.
Though I am multicellular, there are no tissues in my body. What is the name of my phylum?
Answer the question by choosing correct option.
Which special cells are present in the body of sponges (Porifera)?
Spongilla bears numerous pores on their body. What are those pores called?
Through which hole the animals in this phylum give out water from their body?
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
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.
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect developments are the characteristics of phylum
Classification of phylum Porifera is primarily based on
Fill up the blank spaces appropriately
| Phylum/Class | Excretory Organ | Circulatory Organ | Respiratory Organ |
| Arthropoda | Lungs/Gills/ Tracheal System | ||
| Nephridia | Closed | Skin/parapodia | |
| Metanephridia | Open | ||
| Amphibia | Closed | Lung |
Sponges have special cells present on their body, they are known as ______ cells.
Name the asexual reproductive structures of Sponges.
