What is a group of individuals belonging to the same species within an ecosystem called?

Options

A. Species
B. Population
C. Biomes
D. Manipulation

Explanation

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the term used to describe a group of individuals that belong to the same species within an ecosystem.

2. **Defining Key Terms**:
- **Species**: A species is a group of organisms that can reproduce and produce fertile offspring.
- **Ecosystem**: An ecosystem is a community of living organisms interacting with their environment.

3. **Identifying the Group**: The question specifies that we are looking for a group of individuals from the same species.

4. **Term for the Group**: In ecological terms, a group of individuals of the same species that live in a specific area is referred to as a "population".

5. **Conclusion**: Therefore, the correct answer to the question is "population".

### Final Answer:
The group of individuals belonging to the same species within an ecosystem is called a **population**.

---