Larva of sponge is known as

Options

A. Amphiblastula
B. Glochidium larva
C. planula larva
D. trochophore larva

Answer

To answer the question "Larva of sponge is known as," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: We need to identify the specific term used for the larval stage of sponges.

2. **Identifying the Options**: The video mentions several types of larvae associated with different phyla:
- Amphiblastula larvae
- Glossidium larvae
- Planula larvae
- Trochophore larvae

3. **Analyzing Each Option**:
- **Amphiblastula larvae**: This is mentioned as being very similar to the adult sponge and is specifically stated to be found in sponges.
- **Glossidium larvae**: This type of larva is associated with the phylum Mollusca, not sponges.
- **Planula larvae**: This larva is associated with the phylum Cnidaria, which includes organisms like jellyfish and corals.
- **Trochophore larvae**: This larva is typically found in annelids and some mollusks, not in sponges.

4. **Conclusion**: Based on the analysis, the correct answer is **Amphiblastula larvae**, as it is the larval form specifically associated with sponges.

### Final Answer:
The larva of sponge is known as **Amphiblastula larvae**.

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