Animals exposed to bright light have

Options

A. Darker pigmentation
B. Lighter pigmentation
C. Tint of yellow and red colours
D. Both A anc C.

Answer

To solve the question "Animals exposed to bright light have," we can follow these steps:

### Step 1: Understand the Effect of Bright Light on Animals
- Bright light affects the pigmentation of animals. It is important to recognize that different light conditions lead to different pigmentation responses in animals.

### Step 2: Analyze the Options
- The options given are:
1. Darker pigmentation
2. Lighter pigmentation
3. Tint of yellow and red color
4. Both A and C

### Step 3: Determine the Correct Response
- In bright light conditions, animals tend to exhibit lighter pigmentation. This is because bright light can lead to the activation of pigments that reflect lighter colors, making the animals appear lighter.

### Step 4: Eliminate Incorrect Options
- Option 1 (Darker pigmentation) is incorrect because darker pigmentation is typically associated with low light conditions.
- Option 3 (Tint of yellow and red color) is not directly related to the effect of bright light, as it does not specifically address the pigmentation response.
- Option 4 (Both A and C) is also incorrect because it includes the incorrect options.

### Conclusion
- The correct answer is **Option 2: Lighter pigmentation**.