What phylum includes sponges, which are aquatic invertebrates?
- Correct Answer: porifera
- hymenoptera
- chordata
- mollusca
Explanation: Sponges are aquatic invertebrates in Phylum Porifera. Sponges have specialized cells and an endoskeleton, but they lack tissues and body symmetry. Many live on coral reefs and have symbiotic relationships with other reef species.
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