Which of the following countries has the highest biodiversity?

Options

A. Brazil
B. South Africa
C. Russia
D. India

Explanation

To determine which country has the highest biodiversity among the given options, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Options**: The options provided are:
- A) Brazil
- B) South Africa
- C) Russia
- D) India

2. **Understand Biodiversity**: Biodiversity refers to the variety of life in a particular habitat or ecosystem. It includes the number of different species of plants, animals, fungi, and microorganisms.

3. **Research Biodiversity Rankings**: Various studies and reports, such as those from the World Wildlife Fund (WWF) and the Convention on Biological Diversity, provide insights into the biodiversity of different countries.

4. **Evaluate Each Option**:
- **Brazil**: Known for the Amazon Rainforest, Brazil is home to an extensive range of species, including over 50,000 species of trees and numerous mammals, birds, reptiles, and amphibians.
- **South Africa**: While it has significant biodiversity, especially in terms of endemic species, it does not surpass Brazil.
- **Russia**: It has a vast area with diverse ecosystems, but overall species richness is lower compared to Brazil.
- **India**: India has rich biodiversity, particularly in terms of flora and fauna, but it still ranks lower than Brazil.

5. **Conclude the Highest Biodiversity**: Based on the information gathered, Brazil is recognized as the country with the highest biodiversity in the world.

### Final Answer:
The country with the highest biodiversity among the given options is **A) Brazil**.