The early stage human embryo distinctly possesses

Options

A. gills
B. gill slits
C. external ear (pinna)
D. eyebrows

Explanation

To answer the question about what the early stage human embryo distinctly possesses, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Early Stage of Human Embryo**: The early stage of a human embryo refers to the developmental phase shortly after fertilization, during which the embryo undergoes significant changes.

2. **Recognize Key Features of Early Embryonic Development**: During this stage, the embryo exhibits certain characteristics that are common to many vertebrates, including humans.

3. **List Distinct Features**: The early human embryo distinctly possesses:
- Gills
- Gill slits
- External ear (pinna)
- Eyebrows

4. **Determine the Relevant Phylum**: The presence of gills and gill slits indicates that the embryo is part of the phylum Chordata, which includes all vertebrates.

5. **Highlight the Importance of Gill Slits**: Among the features listed, gill slits are particularly significant as they are a defining characteristic of the early developmental stages of vertebrates, including humans.

6. **Select the Correct Answer**: Based on the features identified, the correct answer to the question is that the early stage human embryo distinctly possesses gill slits.

### Final Answer:
The early stage human embryo distinctly possesses gill slits.

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