In Deuterosotomia, blastopore forms

Options

A. Mouth
B. Anus
C. Both
D. None

Answer

To answer the question "In Deuterostomia, blastopore forms," we can break down the solution into the following steps:

### Step-by-Step Solution:

1. **Understand the Concept of Blastopore**: The blastopore is the opening that forms during the early stages of embryonic development, specifically during gastrulation. It plays a crucial role in the formation of the digestive tract.

2. **Differentiate Between Protostomes and Deuterostomes**:
- In **Protostomes**, the blastopore develops into the mouth. This means that the mouth is formed first during development.
- In **Deuterostomes**, the blastopore develops into the anus. This indicates that the anus is formed first in this group.

3. **Identify the Group in Question**: The question specifically asks about Deuterostomia. Therefore, we focus on the characteristics of this group.

4. **Conclude the Function of the Blastopore in Deuterostomia**: Since in Deuterostomia the blastopore becomes the anus, we conclude that the correct answer to the question is that in Deuterostomia, the blastopore forms the anus.

5. **Select the Correct Option**: Based on the information gathered, the answer is option B, which states that the blastopore forms the anus.

### Final Answer:
In Deuterostomia, the blastopore forms the anus (Option B).

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