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Questions and Answers
What is the Phylum of sponges?
What is the Phylum of sponges?
- Porifera (correct)
- Cnidaria
- Echinodermata
- Mollusca
How do most invertebrates respire?
How do most invertebrates respire?
- Through spiracles
- Through lungs
- Through gills
- Through skin (correct)
What is the primary characteristic that distinguishes invertebrates?
What is the primary characteristic that distinguishes invertebrates?
- Complete nervous system
- Hard exoskeleton
- Presence of a notochord
- Possession of a backbone (correct)
How do most invertebrates reproduce?
How do most invertebrates reproduce?
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What is the main mode of nutrition for sponges?
What is the main mode of nutrition for sponges?
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What material stiffens the bodies of sponges?
What material stiffens the bodies of sponges?
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What type of digestion occurs in sponges?
What type of digestion occurs in sponges?
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Which structure in sponges prevents the collapse of canals and chambers?
Which structure in sponges prevents the collapse of canals and chambers?
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What is the unique feature of the canal system in sponges for transporting substances?
What is the unique feature of the canal system in sponges for transporting substances?
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Which phylum exhibits a life cycle starting with a larva called a planula?
Which phylum exhibits a life cycle starting with a larva called a planula?
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How do Cnidarians catch their prey?
How do Cnidarians catch their prey?
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What is a defining characteristic of Cnidarians in terms of symmetry?
What is a defining characteristic of Cnidarians in terms of symmetry?
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