Largest terrestrial community of an entire geographical belt over which plant and animal species may be found is called

Options

A. biome
B. habitat
C. range
D. niche

Answer

To answer the question, "Largest terrestrial community of an entire geographical belt over which plant and animal species may be found is called," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question is asking for a term that describes a large terrestrial community that encompasses a variety of plant and animal species within a specific geographical area.

2. **Identify the Options**: The options provided are:
- Biome
- Habitat
- Range
- Niche

3. **Define Each 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. It is characterized by specific climatic conditions, vegetation types, and animal communities.
- **Habitat**: A habitat refers to the natural environment in which a particular species lives, including the conditions and resources available.
- **Range**: Range refers to the geographical area where a species can be found, but it does not necessarily imply a community of various species.
- **Niche**: A niche describes the role or function of a species within an ecosystem, including its habitat, resource use, and interactions with other species.

4. **Analyze the Definitions**:
- The term "biome" fits the description of a large terrestrial community that includes various plant and animal species across a geographical belt.
- The other terms (habitat, range, niche) do not encompass the idea of a large community of different species in a defined area.

5. **Conclusion**: Based on the definitions and analysis, the correct answer to the question is **Biome**.

### Final Answer:
The largest terrestrial community of an entire geographical belt over which plant and animal species may be found is called a **Biome**.