Both micronuclei and macronuclei are found in ciliates. Justify the statement.

Answer

To justify the statement that both micronuclei and macronuclei are found in ciliates, we can break down the explanation into several key points:

### Step-by-Step Solution:

1. **Definition of Ciliates**:
- Ciliates are a group of protozoans characterized by the presence of cilia, which are hair-like structures that cover their body. This unique feature allows them to move and feed effectively.

2. **Presence of Two Types of Nuclei**:
- Ciliates possess two distinct types of nuclei within a single cell: the macronucleus and the micronucleus. This is a defining characteristic of ciliates.

3. **Function of the Macronucleus**:
- The macronucleus is larger and is primarily responsible for regulating the cell's metabolic activities. It contains the genetic material necessary for the day-to-day functioning of the cell, including processes like growth, maintenance, and response to environmental changes.

4. **Function of the Micronucleus**:
- The micronucleus, on the other hand, is smaller and is primarily involved in reproductive functions. It contains the germline genetic material and is crucial for processes such as sexual reproduction and genetic recombination during conjugation.

5. **Importance of Both Nuclei**:
- The presence of both types of nuclei allows ciliates to perform complex life processes. The macronucleus supports the cell's survival and metabolic functions, while the micronucleus ensures genetic diversity and reproduction.

6. **Conclusion**:
- Therefore, the statement that both micronuclei and macronuclei are found in ciliates is justified by the distinct roles each nucleus plays in the life cycle and functioning of these organisms.