Most herbaceous plants have only about 10 to 15 percent of it's fresh weight as dry matter

Answer

### Step-by-Step Solution

1. **Understanding Fresh Weight and Dry Matter**:
- Fresh weight refers to the total weight of a plant including all its water content.
- Dry matter is the weight of the plant after all the water has been removed.

2. **Analyzing the Composition of Herbaceous Plants**:
- Most herbaceous plants are known to have a high water content.
- It is commonly stated that 80-90% of the fresh weight of herbaceous plants is due to water.

3. **Calculating Dry Matter Percentage**:
- If 80-90% of the fresh weight is water, then the remaining percentage (10-20%) constitutes the dry matter.
- Therefore, the dry matter in herbaceous plants is indeed around 10-20% of their fresh weight.

4. **Conclusion**:
- The statement that "Most herbaceous plants have only about 10-15% of its fresh weight as dry matter" is correct, as it falls within the range of 10-20% for dry matter content in these plants.