Which statement is correct?

Options

A. wings of bat and butterfly are homologous
B. wings of bird and hands of man are analogous
C. atlas is vestigial
D. coccyx of man is vestigial

Answer

To determine which statement is correct, let's analyze each statement provided in the question step by step.

### Step 1: Analyze the first statement
**Statement:** Wings of bats and butterflies are homologous organs.

**Analysis:**
- Homologous organs are those that share a common anatomical origin but may have different functions.
- The wings of bats (mammals) and butterflies (insects) do not share a common origin; they evolved independently to serve the function of flying.
- Therefore, this statement is **false**.

### Step 2: Analyze the second statement
**Statement:** Wings of birds and hands of men are analogous organs.

**Analysis:**
- Analogous organs serve similar functions but do not share a common anatomical origin.
- The wings of birds are used for flying, while human hands are used for manipulation and do not serve the function of flying.
- Thus, this statement is also **false**.

### Step 3: Analyze the third statement
**Statement:** The atlas is a vestigial organ.

**Analysis:**
- The atlas is a vertebra in the neck that supports the skull and allows for nodding movements (yes joint).
- It is not vestigial as it has a clear and important function in the body.
- Therefore, this statement is **false**.

### Step 4: Analyze the fourth statement
**Statement:** The coccyx of man is vestigial.

**Analysis:**
- The coccyx, or tailbone, is a remnant of a tail that humans no longer use.
- It does not serve a significant function in modern humans, which classifies it as a vestigial organ.
- Thus, this statement is **true**.

### Conclusion
The correct statement is: **The coccyx of man is vestigial.**

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