Kangaroo rat in desert is an example of:

Options

A. Key stone species
B. Critical link species
C. Endemic species
D. Dominant species

Answer

To determine what the kangaroo rat in the desert exemplifies, we can analyze the options provided: keystone species, critical link species, endemic species, and dominant species.

### Step-by-Step Solution:

1. **Understanding Keystone Species**:
- A keystone species is one whose presence and role within an ecosystem have a disproportionate effect on other organisms in that ecosystem. Their removal can lead to significant changes in community structure and biodiversity.

2. **Analyzing the Role of the Kangaroo Rat**:
- The kangaroo rat plays a crucial role in its desert ecosystem. It interacts with various other species, influencing their populations and the overall structure of the community.

3. **Examples of Interaction**:
- For instance, the burrows made by the giant kangaroo rat provide shelter for other animals like squirrels and lizards. Additionally, they serve as a food source for predators such as the kit fox.

4. **Conclusion**:
- Given the significant impact of the kangaroo rat on its ecosystem, it qualifies as a keystone species. Its presence helps maintain the structure and diversity of the desert community.

### Final Answer:
The kangaroo rat in the desert is an example of a **keystone species**.

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