Name the animals which excretes a semi-solid white coloured compound uric acid.

Options

A. Birds
B. Lizard
C. Snakes
D. All of the above

Answer

### Step-by-Step Solution:

1. **Understanding Uric Acid**: Uric acid is a semi-solid waste product that is excreted by certain animals. It is less toxic than ammonia and conserves water, making it advantageous for terrestrial organisms.

2. **Identifying Animals that Excrete Uric Acid**: The primary animals that excrete uric acid include:
- **Birds**: Many species of birds excrete uric acid as a way to conserve water.
- **Reptiles**: This includes lizards and snakes, which also excrete uric acid.
- **Insects**: Some insects also produce uric acid as their primary nitrogenous waste.

3. **Conclusion**: The animals that excrete a semi-solid white-colored compound, uric acid, are:
- Birds
- Lizards
- Snakes
- Insects (additional information)

### Final Answer:
The animals that excrete uric acid include birds, lizards, and snakes.

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