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प्रश्न
Why are spongin and spicules important to a sponge?
उत्तर
Spongin and spicules provide support and support the soft body parts of the sponges. The spicules give the sponges rigidity and form to the sponges.
संबंधित प्रश्न
What are the peculiar features that you find in parasitic platyhelminthes?
Water vascular system is the characteristic of which group of the following:
The excretory cells that are found in platyhelminthes are
In which of the following organisms, self fertilization is seen.
In which of the following phyla, the adult shows radial symmetry but the larva shows bilateral symmetry?
Which of the following is correctly matched?
Compare closed and opened circulatory system.
Why flatworms are called acoelomates?
Concept Mapping - Use the following terms to create a concept map that shows the major characteristic features of the phylum nematoda:
Round worms, pseudocoelomates, digestive tract, cuticle, parasite, sexual dimorphism
Which of the chordate characteristics do tunicates retain as adults?
Could the number of eggs or young ones produced by an oviparous and viviparous female be equal? Why?
Which of the following statement is TRUE?
Subphylum Vertebrata is divided into two divisions based on the
