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Questions and Answers
Which level of complexity is the Phylum Porifera classified under?
Which level of complexity is the Phylum Porifera classified under?
- Tissue level
- Cellular level (correct)
- System level
- Organ level
What is the meaning of the Latin term 'porus' in the name 'Phylum Porifera'?
What is the meaning of the Latin term 'porus' in the name 'Phylum Porifera'?
- Sessile
- Specialized
- Marine
- Pore (correct)
How many species of sponges are there?
How many species of sponges are there?
- 15
- 150
- 15,000 (correct)
- 1,500
What is the shape of sponges?
What is the shape of sponges?
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What is the primary function of sponges in relation to aquatic animals?
What is the primary function of sponges in relation to aquatic animals?
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Study Notes
Phylum Porifera
- Phylum Porifera is classified as a level of complexity that is multicellular and eukaryotic, but lacks true tissues.
- The Latin term 'porus' in the name 'Phylum Porifera' means 'pore', referring to the porous nature of sponges.
- There are approximately 5,000 to 10,000 species of sponges that have been identified so far.
- Sponges can have a variety of shapes, including encrusting, vase-shaped, and irregular forms.
- The primary function of sponges in relation to aquatic animals is to provide a habitat, food, and protection for many species, as they act as a shelter for juvenile fish and invertebrates, and provide a food source for some fish and invertebrates.
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