Deserts , grasslands, forests and tundra are the examples of :

Options

A. Biomes
B. Biogeographical regions
C. Ecosystems
D. Biospheres

Answer

**Step-by-Step Text Solution:**

1. **Identify the Types of Ecosystems**: The question lists deserts, grasslands, forests, and tundra. These are all types of ecosystems that can be found on Earth.

2. **Define the Term 'Biome'**: A biome is a large ecological area on the Earth's surface, with flora and fauna (plants and animals) adapting to their environment. Biomes are defined by their climate, geography, and the types of organisms that inhabit them.

3. **Characteristics of Biomes**: Each biome has distinct characteristics:
- **Deserts**: Characterized by low rainfall, sandy soil, and limited vegetation (e.g., cacti).
- **Grasslands**: Dominated by grasses, these areas have moderate rainfall and support a variety of herbivores.
- **Forests**: These biomes have a high density of trees and diverse wildlife, with varying climates (tropical, temperate, boreal).
- **Tundra**: Found in polar regions, it has cold temperatures, low vegetation, and permafrost.

4. **Conclusion**: Since deserts, grasslands, forests, and tundra share similarities in climate and geographical features, they are classified as biomes.

5. **Final Answer**: The correct answer to the question is "biomes".

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