Which of the following does not have comb like pecten in their eyes?

Options

A. Vulture
B. Kiwi
C. Emu
D. Ostrich

Answer

To solve the question "Which of the following does not have comb-like pecten in their eyes?", we will follow these steps:

### Step 1: Understand the Concept of Pecten
Pecten is a structure found in the eyes of many birds. It is comb-like and is responsible for supplying blood vessels to the retina, providing nourishment and maintaining good eyesight.

**Hint:** Remember that pecten is unique to birds and serves a critical function in eye health.

### Step 2: Identify the Function of Pecten
The primary function of the comb-like pecten is to ensure a constant blood supply to the eye, which is essential for maintaining the health of the retina and ensuring strong eyesight.

**Hint:** Focus on how the structure of pecten contributes to its function in the bird's eye.

### Step 3: Analyze the Options Given
We need to evaluate the options provided in the question to determine which bird does not possess a comb-like pecten. The options include various birds, and we need to identify their eye structures.

**Hint:** Think about the common characteristics of the birds listed and their adaptations.

### Step 4: Identify the Exception
From the analysis, it is noted that the comb-like pecten is not found in the eyes of the Kiwi. Instead, Kiwis have a simple circular pecten. In contrast, birds like Vultures, Emus, and Ostriches do have the comb-like pecten.

**Hint:** Remember that Kiwis are unique in their adaptations, which can help you identify them as the exception.

### Step 5: Conclusion
Based on the information gathered, the correct answer to the question is that the Kiwi does not have a comb-like pecten in its eyes.

**Final Answer:** Kiwi