Tundras, grasslands and deserts are examples of different

Options

A. biospheres
B. biomes
C. ecosystems
D. populations

Answer

To answer the question "Tundras, grasslands, and deserts are examples of different ___," we need to identify the correct term that describes these ecological regions. Here’s a step-by-step solution:

### Step 1: Understand the Terms
- **Biosphere**: This refers to the global sum of all ecosystems. It is the zone of life on Earth, including land, water, and the atmosphere.
- **Biome**: A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat. Examples include tundras, grasslands, and deserts.
- **Ecosystem**: An ecosystem consists of all living organisms in a particular area, along with the physical environment in which they interact.
- **Population**: A population is a group of individuals of the same species living in a specific area.

### Step 2: Analyze the Examples Given
- Tundras, grasslands, and deserts are all distinct ecological regions characterized by specific climate conditions, types of vegetation, and animal life.

### Step 3: Identify the Correct Answer
- Since tundras, grasslands, and deserts are large communities of plants and animals that share similar environmental conditions, they are classified as **biomes**.

### Conclusion
The correct answer is **biome**.

---