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What is the skeleton composition of Class Calcarea sponges?
What is the skeleton composition of Class Calcarea sponges?
Separate calcareous spicules
Where are Class Calcarea sponges found?
Where are Class Calcarea sponges found?
Shallow waters in all oceans
What is the unique feature of Class Hexactinellida sponges' skeleton?
What is the unique feature of Class Hexactinellida sponges' skeleton?
Siliceous spicules with six rays
Where are Class Hexactinellida sponges commonly found?
Where are Class Hexactinellida sponges commonly found?
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What is the characteristic of Class Demospongiae in terms of species diversity?
What is the characteristic of Class Demospongiae in terms of species diversity?
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What type of spicules make up the skeleton of Class Calcarea sponges?
What type of spicules make up the skeleton of Class Calcarea sponges?
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Describe the body shape of Class Calcarea sponges.
Describe the body shape of Class Calcarea sponges.
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What are the different structural types that Class Calcarea sponges may exhibit?
What are the different structural types that Class Calcarea sponges may exhibit?
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What is the size range of Class Calcarea sponges?
What is the size range of Class Calcarea sponges?
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What is the characteristic habitat of Class Hexactinellida sponges?
What is the characteristic habitat of Class Hexactinellida sponges?
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What type of spicules form the skeleton of Class Hexactinellida sponges?
What type of spicules form the skeleton of Class Hexactinellida sponges?
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