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प्रश्न
The skeletal framework of Porifera is ______.
उत्तर
The skeletal framework of Porifera is spicules.
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संबंधित प्रश्न
According to the course of animal evolution, which phylum is at the lowest level?
Through which hole the animals in this phylum give out water from 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
Comment on the aquatic and terrestrial habits of amphibians.
The skeletal framework of the phylum Porifera is made up of ______.
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 |
Name
An animal having canal system and spicules
